Battlestar Galactica (2004–2009) — Complete Detailed Episode Event Breakdown

Scope: the 2003 Battlestar Galactica Miniseries, Seasons 1–4, plus Razor, The Resistance, Razor Flashbacks, Face of the Enemy, and The Plan. The reimagined series has 76 regular episodes, with Razor and the webisode series forming additional story material.

Timestamp note: these are approximate timestamps, not frame-accurate timestamps. Different broadcasts, streaming versions, DVD/Blu-ray cuts, recaps, and extended episodes can shift scenes by several seconds or minutes. Pegasus, Unfinished Business, Razor, A Disquiet Follows My Soul, Islanded in a Stream of Stars, and Daybreak in particular have extended versions.

THE MINISERIES
NIGHT 1
00:00–05:00
The story opens after a long Cylon-human armistice.
A Cylon representative arrives at an isolated armistice station.
The representative is the humanoid Cylon later identified as Number Six.
The Colonials have become complacent after roughly forty years without a Cylon attack.
The Cylon asks the human representative for confirmation that the Cylons have no representatives in the Colonial government.
The human officer dismisses the question.
Number Six is revealed to have a very different agenda.
Her presence establishes immediately that the Cylons now possess humanlike bodies and personalities.
05:00–12:00
On Caprica, Gaius Baltar is living a privileged life.
Baltar is involved romantically with Number Six.
Six has access to sensitive information through Baltar.
She repeatedly discusses her religious belief that humanity has been created by a single God.
Baltar dismisses or mocks some of her beliefs.
The relationship is presented as intimate and trusting from Baltar's point of view.
It later becomes clear that Six has deliberately positioned herself close to Baltar.
12:00–20:00
Commander William Adama is aboard Galactica preparing for retirement.
The ship is an aging Battlestar being removed from front-line service.
Adama considers the old warship obsolete.
Laura Roslin, Secretary of Education, is aboard a Colonial transport heading to Galactica for a ceremonial event.
Adama's sons Lee and Zak Adama are part of the Galactica storyline.
Zak is a Viper pilot.
Lee and Adama have a strained relationship.
The ship represents a military institution that the Colonies largely believe is no longer necessary.
20:00–30:00
Colonial defense systems begin suffering catastrophic failures.
Nuclear detonations begin striking the Twelve Colonies.
The Cylons launch a coordinated attack across Colonial space.
Nuclear strikes destroy cities and population centers.
Colonial military vessels are caught unprepared.
Civilian communication systems become chaotic.
Nuclear EMPs and conventional devastation cripple infrastructure.
A massive number of humans die within a very short period.
Caprica is heavily affected.
The previously unimaginable Cylon war has begun.
30:00–40:00
Adama realizes that the attack is coordinated.
Galactica's older systems are partly insulated because the ship has not been fully networked with newer Colonial technology.
This becomes one of the central reasons Galactica survives.
Networked Colonial systems are compromised or disabled.
Galactica's crew begins trying to determine what remains of the fleet.
Adama orders emergency preparations.
Many civilian ships start assembling around Galactica because the Battlestar becomes a natural center for survival.
40:00–50:00
Laura Roslin learns that most of the Colonial government has been destroyed.
The president and much of the succession line are dead.
Roslin learns she is now effectively the highest-ranking surviving civilian official.
She becomes acting President of the Twelve Colonies.
Her situation changes from educational administrator to wartime head of state.
Roslin begins making emergency political decisions.
She orders civilian ships to gather and follow Galactica.
50:00–60:00
Adama contacts surviving military personnel.
He attempts to understand where the Cylon forces are.
The surviving fleet begins assembling.
The Colonial fleet is fragmented and mostly civilian.
Galactica's Viper squadrons are used for reconnaissance and defense.
Apollo and Starbuck emerge as two of the most important fighter pilots.
The fleet's initial goal is simply survival.
60:00–75:00
Roslin informs Adama of the government's collapse.
Adama realizes that the Colonies no longer have an organized military command structure.
Roslin takes responsibility for civilian leadership.
The fleet needs fuel, food, water, medicine, and protection.
Adama states that humanity must find somewhere safe.
Survivors begin hearing claims that the Cylons are everywhere.
The psychological effect of the attack becomes almost as important as the physical damage.
75:00–90:00
Kara Thrace / Starbuck returns to Galactica after being involved in combat.
Her history with Adama and Lee becomes increasingly important.
Adama is angry about Starbuck's reckless personality.
Lee blames himself for failing to protect his brother Zak in the past.
Roslin begins discovering that the Colonial government has almost no meaningful administrative structure left.
Baltar survives the initial attack.
The Six who is with him appears to him while he is suffering from guilt and shock.
90:00–105:00
Baltar discovers the consequences of Six's manipulation.
Six reveals more about her true identity to him.
She insists that God has a plan.
Baltar becomes mentally unstable.
He is uncertain whether the Six he sees is physically real.
Six becomes an internal voice and apparent hallucination.
The fleet begins planning an escape strategy.
105:00–120:00
Galactica leaves the area of the Colonies.
The surviving ships follow.
A Cylon trap is avoided through Adama's caution.
Roslin begins organizing civilian leadership aboard the fleet.
The President's staff begins functioning from Colonial One.
Galactica becomes the military headquarters of the surviving human civilization.
The central premise of the entire series is established: a few thousand survivors are fleeing from the Cylons.
SEASON 1

Season 1 contains 13 episodes, beginning with 33 and ending with Kobol's Last Gleaming, Part II. The season begins with roughly 50,298 survivors and ends with roughly 47,887.

S01E01 — "33"
00:00–05:00
Galactica and the Fleet have been fleeing from the Cylons continuously.
The fleet is jumping approximately every 33 minutes.
The crew has been awake for over 130 hours.
People are suffering from severe sleep deprivation.
The fleet has effectively been trapped in a repeating cycle.
05:00–10:00
A Cylon Raider attacks the fleet.
Galactica launches Vipers.
Galactica must protect multiple civilian vessels.
The crew realizes the Cylons are somehow finding the fleet after each jump.
The problem is not merely locating another jump point; they are being tracked.
10:00–15:00
Adama and Tigh struggle with exhausted personnel.
Viper pilots are barely functioning.
Mechanical failures begin appearing.
Engines and jump systems are becoming increasingly unreliable.
Civilians are reaching the limits of endurance.
15:00–20:00
Baltar continues seeing Six.
Six tells Baltar that God has selected him.
Baltar becomes increasingly uncertain whether she exists.
Her presence distracts him during critical moments.
She pushes the idea that Baltar has an important role in the future.
20:00–25:00
The Olympic Carrier disappears during a jump.
The ship later reappears.
The fleet is divided over whether it should be allowed to rejoin.
Adama suspects something is wrong.
The possibility exists that the ship has been infiltrated by Cylons.
25:00–30:00
Starbuck argues that the Olympic Carrier could contain survivors.
Adama ultimately orders it destroyed.
The ship is destroyed.
Survivors are emotionally disturbed by the decision.
The episode demonstrates one of Adama's central wartime principles: civilian sentiment cannot always override fleet survival.
30:00–37:00
A Cylon Raider attacks Galactica again.
The crew is overwhelmed by exhaustion.
The Raider appears capable of pursuing them repeatedly.
Galactica's pilots destroy it.
A humanoid Cylon is later discovered aboard the fleet.
The episode establishes the basic question that dominates the series: who can be trusted?

Key consequences: the fleet learns that Cylon infiltration is possible; Adama's decision-making becomes much harsher; Baltar's hallucinated Six becomes a continuing character.

S01E02 — "Water"
00:00–05:00
Galactica is recovering from the events of "33."
Maintenance crews discover catastrophic damage to water storage.
Huge quantities of water are being lost.
05:00–10:00
Galactica determines the damage appears deliberate.
The ship has been sabotaged.
Adama orders an investigation.
The crew realizes the saboteur may still be aboard.
10:00–15:00
A Cylon device is found.
Suspicion falls on crew members.
Boomer becomes increasingly important to the investigation.
Helo's fate on Caprica remains unresolved from the fleet's perspective.
15:00–22:00
Tyrol and the engineering crew struggle to repair the damage.
Water becomes a fleet-wide survival issue.
Civilian ships begin rationing.
Galactica calculates how long remaining supplies can last.
22:00–30:00
Adama becomes concerned about internal Cylon agents.
Baltar's detector project begins becoming important.
Six continues manipulating Baltar.
Boomer experiences increasing signs of psychological instability.
30:00–40:00
A suspicious action leads to renewed suspicion of Boomer.
The saboteur successfully causes additional problems.
Water becomes a scarce strategic resource.
The episode demonstrates that the fleet can be threatened from inside as well as outside.
S01E03 — "Bastille Day"
00:00–05:00
The Fleet discovers it needs more water processing capacity.
A prison ship called the Astral Queen is identified as a possible source of equipment.
The prison population consists largely of convicted criminals.
05:00–10:00
Lee Adama is sent to negotiate with the prisoners.
He initially believes military authority should be enough.
The prisoners have little respect for Colonial officers.
10:00–18:00
Tom Zarek emerges as the major political figure among the prisoners.
Zarek is charismatic and deeply opposed to Colonial authority.
He has a long political history involving terrorism and resistance.
18:00–25:00
The prisoners seize control.
Lee becomes trapped aboard the ship.
The situation becomes a hostage crisis.
Roslin and Adama disagree on how to handle it.
25:00–35:00
Zarek demands political concessions.
Lee discovers that the prisoners are not simply criminals.
Some believe the existing Colonial government abandoned them long before the Cylon attack.
35:00–43:00
Lee negotiates rather than simply launching an assault.
The prisoners agree to assist with the water crisis.
Zarek gains political legitimacy.
Adama is forced to acknowledge that the surviving government cannot simply operate through military force.
S01E04 — "Act of Contrition"
00:00–07:00
Starbuck experiences emotional trauma connected to Zak Adama.
Flashbacks reveal her relationship with Zak.
Zak was Adama's son and Starbuck's former trainee.
07:00–15:00
Starbuck had previously recommended Zak for flight training.
Zak was physically capable but lacked the instincts necessary for combat.
Starbuck nevertheless allowed him to pass.
15:00–23:00
Zak died during a training accident.
Adama blames Starbuck.
Starbuck also blames herself.
23:00–30:00
The Fleet needs replacement pilots.
Galactica's Viper forces are understaffed.
Starbuck is forced to confront her fear.
30:00–38:00
Starbuck trains new pilots.
She becomes increasingly determined to keep them alive.
Her harsh behavior is shown to be connected to guilt.
38:00–43:00
Adama and Starbuck begin repairing their relationship.
Starbuck finally faces the memory of Zak.
The episode establishes why Adama trusts her despite her rebellious behavior.
S01E05 — "You Can't Go Home Again"
00:00–08:00
Starbuck is sent into combat.
Her Viper is damaged.
She disappears and is presumed dead.
08:00–15:00
Adama refuses to immediately accept her death.
Lee searches for her.
A damaged Raider is found.
15:00–23:00
Starbuck has survived on a moon.
She discovers a functioning Cylon Raider.
23:00–30:00
Starbuck boards the Raider.
She begins learning how its systems work.
The Raider behaves in a surprisingly organic manner.
30:00–38:00
Starbuck manages to fly the captured Raider.
Galactica detects the unfamiliar Cylon ship.
Starbuck returns to Galactica.
38:00–43:00
Adama is relieved to see her alive.
The fleet gains its first major insight into Cylon technology from Starbuck's experience.
Starbuck begins wondering whether Cylons are fundamentally different from humans.
S01E06 — "Litmus"
00:00–06:00
A Cylon attack occurs inside Galactica's security zone.
An internal investigation begins.
Adama creates a special investigative tribunal.
06:00–15:00
Sergeant Hadrian investigates security failures.
The concept of the tribunal resembles military emergency justice.
Crew members are interrogated.
15:00–24:00
Hadrian accuses Adama of allowing a security culture that is too informal.
Adama's authority is directly challenged.
24:00–33:00
The tribunal examines how the Cylon infiltrator managed to reach Galactica.
Colonial personnel become frightened of one another.
33:00–43:00
Adama realizes that extreme investigations can destroy morale.
He removes Hadrian from the position.
The episode emphasizes the danger of turning the fleet into a permanent police state.
S01E07 — "Six Degrees of Separation"
00:00–08:00
Baltar becomes the center of a crisis.
A woman claiming to be Number Six appears publicly.
She claims Baltar betrayed humanity.
08:00–16:00
The woman looks exactly like Baltar's hallucinated Six.
Baltar becomes terrified.
The supposed Six presents evidence.
16:00–24:00
Baltar is investigated.
President Roslin must determine whether Baltar is a Cylon collaborator.
Baltar becomes increasingly desperate.
24:00–34:00
The evidence against Baltar appears increasingly convincing.
Baltar cannot explain the woman's identity.
His relationship with his hallucinated Six becomes even more confusing.
34:00–43:00
The apparition disappears.
The evidence is revealed to have been manipulated.
Baltar's public standing is damaged.
The episode makes it clear that psychological warfare is one of the Cylons' greatest weapons.
S01E08 — "Flesh and Bone"
00:00–06:00
A humanoid Cylon is captured.
The prisoner is identified as Leoben Conoy.
06:00–15:00
Leoben claims to know important information about humanity.
Adama initially believes the Cylon is simply lying.
15:00–25:00
Starbuck interrogates Leoben.
He deliberately tries to destabilize her emotionally.
He discusses religion and prophecy.
25:00–33:00
Leoben makes a major claim involving a nuclear weapon.
He says a bomb has been hidden aboard one of the civilian ships.
33:00–40:00
Galactica searches for the weapon.
The episode creates uncertainty regarding whether Leoben's information is true.
40:00–43:00
A nuclear device is found.
Leoben proves that he possesses knowledge that should be impossible for an ordinary prisoner.
Starbuck becomes psychologically affected by the experience.
S01E09 — "Tigh Me Up, Tigh Me Down"
00:00–07:00
Colonel Saul Tigh discovers that his wife Ellen has somehow survived.
Ellen arrives aboard Galactica.
07:00–15:00
Tigh is shocked.
Ellen immediately creates interpersonal tension.
She behaves as though the apocalypse is an inconvenience rather than a defining event.
15:00–25:00
Ellen's history raises questions.
Baltar continues working on Cylon detection.
Adama and Tigh become concerned about whether Ellen is a Cylon.
25:00–35:00
Ellen's behavior generates suspicion.
Meanwhile, Baltar's detector begins producing inconclusive results.
35:00–43:00
Ellen is ultimately cleared.
The audience is encouraged to question everyone around the protagonists.
Saul and Ellen's relationship becomes an important recurring element.
S01E10 — "The Hand of God"
00:00–06:00
The Fleet is running dangerously low on tylium fuel.
Galactica's remaining fuel reserves are becoming critical.
06:00–14:00
Raptors locate an asteroid containing a large supply of tylium.
The Cylons have already established a refinery.
14:00–23:00
Adama decides to attack the Cylon refinery.
The plan requires Galactica to perform an extremely dangerous operation.
23:00–31:00
Starbuck and Apollo prepare for the mission.
Raptor crews coordinate the attack.
31:00–40:00
Galactica takes heavy fire.
Colonial aircraft attack the refinery.
The operation succeeds.
40:00–43:00
The fleet obtains much-needed fuel.
Roslin's visions and religious experiences become increasingly significant.
The episode establishes that logistics—fuel, ammunition, food and maintenance—are constant strategic problems.
S01E11 — "Colonial Day"
00:00–08:00
The fleet celebrates Colonial Day.
Roslin establishes a new Quorum of Twelve.
The Quorum is intended to restore civilian government.
08:00–17:00
Tom Zarek becomes the representative for Sagittaron.
Zarek uses his political influence to challenge Roslin.
17:00–25:00
The position of Vice President becomes politically important.
Baltar unexpectedly supports Zarek's political ambitions.
25:00–34:00
Billy Keikeya becomes involved in security matters.
The episode reveals divisions among the surviving Colonies.
Former social and political grievances survive the apocalypse.
34:00–43:00
Zarek is prevented from immediately taking complete control.
Roslin demonstrates that democratic government still matters.
The Quorum becomes a continuing political institution.
S01E12 — "Kobol's Last Gleaming, Part I"
00:00–08:00
Galactica discovers Kobol.
Kobol is the mythical ancestral home of humanity.
The discovery could change the search for Earth.
08:00–17:00
Baltar becomes increasingly focused on visions and prophecy.
Starbuck becomes involved in a personal relationship with Baltar.
Kara is emotionally confused about Lee.
17:00–25:00
Roslin believes the Scriptures may contain genuine information about the path to Earth.
The Arrow of Apollo becomes an important artifact.
25:00–34:00
Adama rejects some of Roslin's religious interpretation.
Political and military authority begin moving toward direct conflict.
34:00–43:00
Roslin determines that retrieving the Arrow is necessary.
Starbuck is assigned an extraordinary mission involving Caprica.
Adama prepares to use military force to prevent Roslin from undermining his command.
S01E13 — "Kobol's Last Gleaming, Part II"
00:00–07:00
Roslin refuses to step down as President.
Adama attempts to take control of the political situation.
Roslin is arrested.
07:00–15:00
Roslin's supporters begin planning to restore her.
Baltar is caught between political factions.
15:00–24:00
Starbuck travels to Caprica.
She searches for the Arrow of Apollo.
The Cylon presence on Caprica remains enormous.
24:00–33:00
Starbuck finds the Arrow.
She also encounters a Cylon version of herself-like imagery/visions associated with the mystery surrounding Caprica.
33:00–40:00
Roslin's supporters assist her escape.
Adama's political takeover begins collapsing.
40:00–43:00
Adama is shot by Cylon Boomer.
The season ends with Adama gravely wounded.
Roslin resumes leadership.
Starbuck is left on Caprica with the Arrow.
The Fleet's quest for Kobol and Earth has become the major storyline.
SEASON 2

Season 2 contains 20 episodes. It begins immediately after Adama's shooting and eventually ends with Baltar becoming President and the Fleet settling temporarily on New Caprica.

S02E01 — "Scattered"
00:00–08:00
Adama is critically wounded.
Colonel Tigh assumes command.
The fleet faces a major jump problem.
08:00–17:00
Galactica's navigation systems malfunction.
The ship becomes separated from the fleet.
17:00–27:00
Tigh must manage the fleet while dealing with Adama's condition.
Chief Tyrol struggles with the technical problems.
27:00–37:00
Roslin and Tigh clash politically.
Lee is desperate to find his father.
37:00–43:00
Adama survives emergency surgery.
Galactica reconnects with the fleet.
Command authority remains deeply divided.
S02E02 — "Valley of Darkness"
00:00–08:00
Apollo's Raptor crashes on a planet.
Several Marines are trapped.
08:00–17:00
The survivors discover Cylon Centurions nearby.
Their ammunition and supplies are limited.
17:00–27:00
On Galactica, medical personnel struggle to treat Adama.
Tigh increasingly relies on harsh emergency measures.
27:00–37:00
The stranded team fights through Cylon territory.
Apollo attempts to keep everyone alive.
37:00–43:00
The survivors escape.
Adama's condition begins improving.
The episode demonstrates how vulnerable even elite Colonial units are away from Galactica.
S02E03 — "Fragged"
00:00–08:00
Tigh's command becomes increasingly authoritarian.
The fleet is under extreme pressure.
08:00–18:00
Political opposition grows.
Civilian and military leadership become increasingly hostile.
18:00–27:00
Crashdown's unit on Kobol becomes trapped.
Panic spreads among the soldiers.
27:00–35:00
Crashdown struggles to command the survivors.
Tyrol is forced to make difficult decisions.
35:00–43:00
Crashdown dies.
Tyrol takes responsibility for his actions.
The situation on Kobol remains dangerous.
S02E04 — "Resistance"
00:00–08:00
Helo and Boomer remain on Caprica.
Helo discovers that Boomer is pregnant.
08:00–17:00
Helo attempts to protect her from the Cylons.
Other humans on Caprica attempt to form resistance groups.
17:00–25:00
Tigh imposes martial law.
Arrests and searches become increasingly aggressive.
25:00–34:00
Starbuck returns from Caprica-related operations.
She becomes involved in resisting Tigh's policies.
34:00–43:00
The Galactica crew begins to fracture over military authority.
The episode establishes a permanent conflict between security and civil liberties.
S02E05 — "The Farm"
00:00–08:00
Starbuck's emotional and physical experiences on Caprica continue affecting her.
Helo and Boomer remain important to the search for a way to survive.
08:00–16:00
The Colonial Fleet believes Kara may be the key to understanding Cylon activity.
Starbuck is placed under suspicion.
16:00–25:00
Humans discover evidence of Cylon experimentation.
The Cylons are revealed to be attempting to reproduce biologically.
25:00–35:00
A supposed human medical facility turns out to be associated with Cylon experiments.
Kara is horrified.
35:00–43:00
The episode establishes that the Cylons want to create or manipulate human-Cylon offspring.
This becomes central to Helo and Sharon's story.
S02E06 — "Home, Part I"
00:00–08:00
Roslin becomes convinced that Kobol holds a path to Earth.
She gathers supporters.
08:00–17:00
Apollo and other crew members participate in the expedition.
17:00–25:00
The Fleet faces political tension over Roslin's leadership.
The Arrow of Apollo remains the key artifact.
25:00–34:00
Roslin's group reaches Kobol.
Their expedition is increasingly framed as a religious pilgrimage.
34:00–43:00
The group finds signs that the ancient prophecies may have been based on real events.
The search for the Tomb of Athena intensifies.
S02E07 — "Home, Part II"
00:00–08:00
Roslin's expedition continues.
Adama becomes determined to reunite with her.
08:00–17:00
The Tomb of Athena becomes the objective.
17:00–27:00
Roslin and Adama reunite.
Political conflict is temporarily put aside.
27:00–37:00
The group enters the Tomb.
The Arrow is used to activate the ancient display.
37:00–43:00
A celestial map reveals a route toward Earth.
The Fleet now has an actual direction rather than merely a legend.
Kobol is abandoned after the discovery.
S02E08 — "Final Cut"
00:00–08:00
A documentary film crew arrives.
The Fleet's political and military leaders are asked to allow filming.
08:00–18:00
The crew focuses on life aboard Galactica.
Tigh is deeply uncomfortable with the scrutiny.
18:00–28:00
Soldiers become worried that military secrets are being exposed.
The documentary presents ordinary life alongside war.
28:00–37:00
The crew documents injuries, deaths and combat preparation.
Public relations becomes a political tool.
37:00–43:00
The finished report presents a complicated image of Galactica.
The episode examines how history gets created during a crisis.
S02E09 — "Flight of the Phoenix"
00:00–08:00
Galactica's crew attempts to build a new Viper.
The ship is not expected to be completed successfully.
08:00–18:00
Chief Tyrol becomes personally invested in the project.
The project becomes a morale exercise.
18:00–27:00
Construction proceeds despite shortages.
The ship becomes symbolic of human ingenuity.
27:00–37:00
Adama increasingly supports the project.
The crew grows emotionally attached to the new Viper.
37:00–43:00
The Viper is launched.
The success represents humanity rebuilding rather than simply surviving.
S02E10 — "Pegasus"
00:00–08:00
Galactica encounters another surviving Battlestar: Pegasus.
Admiral Helena Cain commands it.
08:00–17:00
Cain has maintained strict military discipline.
She immediately challenges Adama's authority.
17:00–25:00
Cain reveals she has survived the Cylon attack independently.
Pegasus has a smaller civilian population and stronger military structure.
25:00–34:00
Galactica crew members are horrified by Cain's methods.
Cain's crew has been willing to torture and execute suspected enemies.
34:00–43:00
Cain and Adama become direct rivals.
The Fleet now has two competing military command structures.
S02E11 — "Resurrection Ship, Part I"
00:00–08:00
The Galactica and Pegasus fleets plan an assault on the Cylon Resurrection Ship.
08:00–17:00
Cain and Adama disagree over military priorities.
Cain becomes increasingly willing to use extreme measures.
17:00–25:00
The Resurrection Ship's significance is explained.
Cylon bodies can be resurrected after death if their consciousness is uploaded.
25:00–35:00
Starbuck and Apollo are involved in the attack plan.
The military situation becomes a race against time.
35:00–43:00
Adama and Cain's conflict reaches a breaking point.
The possibility of killing Cain becomes a serious question.
S02E12 — "Resurrection Ship, Part II"
00:00–08:00
Adama prepares to assassinate Cain.
He considers her a threat to the Fleet.
08:00–17:00
Adama's people hesitate.
Political consequences of Cain's death become clear.
17:00–27:00
Cain orders Kendra Shaw to protect her.
Meanwhile the battle against the Cylons begins.
27:00–36:00
Colonial fighters attack the Resurrection Ship.
The objective is to destroy it before Cylon consciousness can continue resurrecting.
36:00–43:00
Cain is assassinated by Number Six.
The Resurrection Ship is destroyed.
Adama remains in command.
Pegasus becomes subordinate to Galactica.
S02E13 — "Epiphanies"
00:00–08:00
Sharon's pregnancy becomes medically significant.
Hera is developing rapidly.
08:00–18:00
Roslin begins taking a more active role in deciding Hera's fate.
Baltar is fascinated by the hybrid child.
18:00–27:00
Sharon and Helo struggle to protect their unborn daughter.
27:00–37:00
Roslin believes the child may be central to Cylon-human destiny.
The medical and political stakes escalate.
37:00–43:00
Hera is temporarily separated from Sharon.
The government fears what a human-Cylon child could mean.
S02E14 — "Black Market"
00:00–07:00
The Fleet has developed an underground economy.
Scarcity has created criminal markets.
07:00–16:00
Apollo investigates a black-market operation.
He discovers organized crime within the Fleet.
16:00–25:00
The criminal network involves prostitution, weapons and restricted goods.
25:00–35:00
Apollo discovers that child exploitation is connected to the system.
He becomes personally disgusted.
35:00–43:00
Apollo destroys part of the criminal network.
The Fleet's social problems are shown to be nearly as dangerous as the Cylons.
S02E15 — "Scar"
00:00–07:00
A legendary Cylon Raider known as Scar has become a recurring threat.
07:00–17:00
Starbuck and Kat both want to destroy it.
Rivalry develops between them.
17:00–27:00
Scar repeatedly escapes.
The pilots become obsessed with the hunt.
27:00–36:00
Kat is placed in a dangerous situation.
Starbuck recognizes that Kat is becoming reckless.
36:00–43:00
Scar is finally destroyed.
Starbuck begins respecting Kat as a pilot.
The episode explores how combat can become addictive.
S02E16 — "Sacrifice"
00:00–08:00
A civilian woman takes hostages aboard Galactica.
She demands the release of prisoners.
08:00–18:00
Apollo becomes involved in negotiations.
The hostage taker claims to be fighting for justice.
18:00–28:00
The crisis reveals how desperate civilians have become.
The survivors' old political and personal identities have not disappeared.
28:00–38:00
Apollo attempts to reason with the hostage taker.
Military intervention becomes unavoidable.
38:00–43:00
The hostage crisis ends violently.
The episode shows that the Fleet's internal conflicts are becoming increasingly difficult to contain.
S02E17 — "The Captain's Hand"
00:00–08:00
Lee Adama becomes Acting Commander of Pegasus.
His promotion is controversial.
08:00–17:00
Lee must command officers who don't respect him.
Pegasus maintains its own military culture.
17:00–27:00
A combat mission goes wrong.
Lee has to make command decisions without his father's protection.
27:00–37:00
Starbuck and Apollo continue struggling with loyalty and authority.
Pegasus and Galactica remain institutionally different.
37:00–43:00
Lee proves himself capable of command.
His relationship with Adama evolves into a more professional one.
S02E18 — "Downloaded"
00:00–08:00
The story switches to the Cylon perspective.
A resurrected Six awakens.
08:00–17:00
Six remembers dying.
She becomes psychologically disturbed by the experience.
17:00–27:00
Caprica Boomer also returns in a new body.
She is conflicted about humanity.
27:00–36:00
The two Cylons begin questioning Cylon society.
Caprica Six sees how strongly Cylon religion influences their society.
36:00–43:00
The episode establishes that Cylons have genuine emotional and ideological divisions.
The Cylons are not a perfectly unified enemy.
S02E19 — "Lay Down Your Burdens, Part I"
00:00–08:00
The Fleet discovers a potentially habitable planet.
The possibility of settlement becomes realistic.
08:00–18:00
Roslin opposes the idea of stopping.
Adama becomes more open to permanent settlement.
18:00–28:00
Baltar campaigns for President.
His political popularity increases dramatically.
28:00–37:00
Starbuck's relationship with Anders becomes important.
Apollo becomes emotionally conflicted.
37:00–43:00
The Fleet prepares for elections.
Baltar positions himself as a politician representing ordinary citizens.
S02E20 — "Lay Down Your Burdens, Part II"
00:00–08:00
Presidential voting takes place.
08:00–17:00
Baltar initially believes he has lost.
Roslin's political machine attempts to influence the result.
17:00–25:00
Baltar wins the election.
Roslin becomes deeply worried.
25:00–34:00
Baltar becomes President of the Twelve Colonies.
He promises a new beginning.
34:00–38:00
The Fleet settles on New Caprica.
38:00–43:00
A time jump shows New Caprica developing.
Baltar's presidency becomes increasingly ineffective.
Cylons discover the settlement.
The episode ends with the Cylon occupation approaching.
THE RESISTANCE — WEBSERIES
Episode 1
Galactica struggles with the aftermath of the New Caprica settlement.
Resistance cells begin to form.
Tigh becomes increasingly militant.
Episode 2
Tigh organizes resistance activities.
Civilian involvement expands.
The Cylons begin imposing order.
Episode 3
Resistance members are arrested.
Tigh becomes willing to use increasingly violent tactics.
Episode 4
Tigh and the resistance organize attacks.
Cylon security becomes harsher.
Episode 5
Resistance fighters become increasingly divided.
Humans disagree about how far they should go.
Episode 6
The occupation becomes more brutal.
Cylon cooperation with human collaborators becomes apparent.
Episode 7
Resistance casualties increase.
Tigh makes destructive decisions.
Episode 8
Ellen becomes involved in resistance decisions.
Episode 9
Human resistance fighters face the possibility of mass executions.
Episode 10
The resistance prepares for an uprising.
The story transitions directly toward Season 3's rescue storyline.
SEASON 3

Season 3 contains 20 episodes and begins with the Fleet split between Galactica's rescue mission and humans trapped on New Caprica.

S03E01 — "Occupation"
00:00–10:00
New Caprica is under Cylon occupation.
Humans live under military surveillance.
The Cylons attempt to establish a new political structure.
10:00–20:00
Baltar remains President but has effectively surrendered authority.
Human collaborators begin working with the Cylons.
20:00–30:00
Resistance groups attack Cylon targets.
Saul Tigh becomes one of the resistance leaders.
30:00–40:00
Kara Thrace remains imprisoned by Leoben.
She is psychologically tortured.
40:00–43:00
The occupation becomes increasingly brutal.
The human population moves toward open rebellion.
S03E02 — "Precipice"
00:00–10:00
The Cylon occupation escalates.
Human prisoners are abused.
10:00–20:00
Tigh plans a resistance action.
Ellen attempts to influence Tigh.
20:00–30:00
Starbuck remains psychologically trapped with Leoben.
Leoben attempts to convince her that they have a meaningful relationship.
30:00–40:00
The Cylons retaliate against resistance activity.
Execution becomes a political weapon.
40:00–43:00
Galactica's rescue force prepares to return to New Caprica.
S03E03 — "Exodus, Part I"
00:00–08:00
Galactica returns to New Caprica.
The rescue fleet prepares a massive evacuation.
08:00–18:00
The resistance begins moving civilians toward escape zones.
Cylon forces prepare to stop them.
18:00–28:00
Tigh and Roslin coordinate resistance and evacuation efforts.
28:00–38:00
Galactica launches rescue operations.
The battle becomes a fleet-wide operation.
38:00–43:00
Hundreds of ships attempt to escape.
New Caprica's refugee population begins fleeing.
S03E04 — "Exodus, Part II"
00:00–08:00
The New Caprica evacuation reaches its climax.
08:00–18:00
Adama performs an extreme maneuver with Galactica.
The Battlestar jumps/flies directly into the planet's atmosphere.
18:00–28:00
Galactica launches Vipers during the rescue.
Cylons attempt to prevent evacuation.
28:00–38:00
The human fleet escapes.
New Caprica is abandoned.
38:00–43:00
Large numbers of humans survive.
The Fleet is once again mobile.
The rescue becomes one of the greatest military victories in the series.
S03E05 — "Collaborators"
00:00–08:00
Humans begin identifying collaborators from the occupation.
08:00–18:00
A secret tribunal called the Circle is established.
18:00–28:00
The Circle secretly executes collaborators.
28:00–38:00
The political conflict becomes a moral crisis.
Roslin and Adama are forced to confront extrajudicial executions.
38:00–43:00
The Circle's methods become increasingly dangerous.
The Fleet's democracy is threatened from within.
S03E06 — "Torn"
00:00–08:00
Baltar is now physically aboard a Cylon Basestar.
He is surrounded by Cylons.
08:00–18:00
Three Cylon models begin discussing differences in their religious views.
18:00–28:00
Baltar learns more about Cylon society.
He is both prisoner and scientific curiosity.
28:00–38:00
Cylon civil divisions begin emerging.
38:00–43:00
The episode expands the story beyond "humans versus robots."
The Cylons have competing religious and political ideologies.
S03E07 — "A Measure of Salvation"
00:00–08:00
The Colonial Fleet captures a large group of infected Cylons.
08:00–18:00
The Cylons have been infected with a deadly biological disease.
18:00–27:00
Galactica's leadership considers killing the infected Cylons before they can recover.
27:00–36:00
Adama and Roslin debate the ethics of biological warfare.
36:00–43:00
The decision is made to release the Cylons without deliberately exterminating them.
The Colonials resist becoming genocidal themselves.
S03E08 — "Hero"
00:00–08:00
Former Colonial officer George Kelso returns.
He is believed to have survived for years after being presumed dead.
08:00–18:00
Adama remembers the disastrous events involving Kelso.
18:00–28:00
Kelso claims he escaped the Cylons.
28:00–38:00
The truth becomes increasingly uncomfortable.
Adama must confront the possibility that Kelso was abandoned.
38:00–43:00
The episode exposes the military's tendency to hide failures.
S03E09 — "Unfinished Business"
00:00–08:00
Adama starts a boxing tournament aboard Galactica.
08:00–18:00
Crew members use the fights to settle emotional conflicts.
18:00–28:00
Flashbacks reveal relationships formed during the first year after the Colonies fell.
28:00–38:00
Adama and Starbuck's complicated relationship is explored.
38:00–43:00
Adama and Tyrol fight.
The boxing ring becomes a way for crew members to express pain they cannot discuss openly.
S03E10 — "The Passage"
00:00–08:00
The Fleet reaches a dangerous radiation zone.
08:00–18:00
Ships must pass through the region while staying within strict limits.
18:00–28:00
Crew members begin experiencing fatigue and illness.
28:00–38:00
Kat takes command during the crisis.
She risks herself to save others.
38:00–43:00
Kat dies.
Her final actions save many ships.
Kat's earlier past remains ambiguous but she dies regarded as a hero.
S03E11 — "The Eye of Jupiter"
00:00–08:00
The Fleet reaches the planet containing the Temple of Five.
08:00–18:00
Humans discover the planet's strange ancient religious significance.
The Cylon Fleet is also approaching.
18:00–28:00
Apollo and Dee become increasingly important.
28:00–38:00
Anders and other characters experience strange visions.
38:00–43:00
The temple becomes the scene of a major confrontation.
The Fleet's search for Earth becomes intertwined with the Final Five mystery.
S03E12 — "Rapture"
00:00–08:00
Sharon attempts to enter the Temple.
She becomes separated from the group.
08:00–18:00
Sharon experiences visions involving the Final Five.
18:00–28:00
She reaches a mysterious state connected to the temple's prophecy.
28:00–38:00
Sharon's consciousness and body become endangered.
The Fleet races to save her.
38:00–43:00
The temple vision reveals additional connections between humans and Cylons.
S03E13 — "Taking a Break From All Your Worries"
00:00–08:00
Baltar is captured.
The Fleet must decide what to do with him.
08:00–18:00
Gaeta and others have strong feelings toward Baltar.
18:00–28:00
Baltar is interrogated.
Torture becomes a serious possibility.
28:00–38:00
Baltar claims the Cylons are not as simple as humans believe.
He continues insisting that he was manipulated.
38:00–43:00
The episode exposes the Fleet's inability to agree on justice for Baltar.
S03E14 — "The Woman King"
00:00–08:00
Helo investigates a medical dispute.
A Sagittaron patient dies under suspicious circumstances.
08:00–18:00
Helo discovers discrimination against Sagittarons.
18:00–28:00
Social divisions within the Fleet become important.
28:00–38:00
Helo confronts medical personnel.
38:00–43:00
He continues trying to protect marginalized civilians.
The episode demonstrates how quickly old Colonial prejudices return.
S03E15 — "A Day in the Life"
00:00–08:00
Adama and Roslin are trapped on a damaged ship or isolated structure during an investigation.
08:00–18:00
Their situation forces them to discuss their relationship.
18:00–28:00
Flashbacks reveal earlier difficulties between Adama and his family.
28:00–38:00
They come close to dying.
38:00–43:00
Both survive.
Their mutual trust becomes stronger.
S03E16 — "Dirty Hands"
00:00–08:00
Tyrol discovers serious labor inequality aboard the Fleet.
08:00–18:00
Workers operating fuel and agricultural infrastructure demand recognition.
18:00–28:00
Tyrol becomes the face of labor reform.
28:00–38:00
The Fleet's hierarchy begins treating the workers as a political problem.
38:00–43:00
Tyrol chooses to protect the workers despite pressure from Adama.
The Fleet is shown to have recreated class divisions.
S03E17 — "Maelstrom"
00:00–08:00
Starbuck experiences strange visions.
She begins believing she has a special destiny.
08:00–18:00
Starbuck encounters strange phenomena during combat.
18:00–28:00
She sees visions of Leoben.
Her sense of reality weakens.
28:00–38:00
Starbuck's Viper is destroyed.
38:00–43:00
Starbuck disappears.
Adama believes she is dead.
The Fleet mourns her.
The episode ends with the implication that something supernatural or unexplained has happened.
S03E18 — "The Son Also Rises"
00:00–08:00
Baltar prepares for legal proceedings.
08:00–18:00
A lawyer named Romō Lampkin becomes involved.
He takes Baltar's case.
18:00–28:00
Lampkin's personal motives become clearer.
His own family history influences his actions.
28:00–38:00
Political factions attempt to use Baltar's trial for their own purposes.
38:00–43:00
The Fleet prepares for the major trial.
Lampkin's defense strategy becomes increasingly ambitious.
S03E19 — "Crossroads, Part I"
00:00–08:00
Baltar's trial continues.
Evidence reveals contradictory stories about the Fall.
08:00–18:00
Apollo is increasingly conflicted over Baltar's guilt.
18:00–28:00
Colonel Tigh begins hearing strange music.
28:00–38:00
Other characters begin experiencing unusual visions or sounds.
38:00–43:00
Four characters become connected to mysterious musical themes.
S03E20 — "Crossroads, Part II"
00:00–08:00
Baltar's trial reaches its conclusion.
08:00–18:00
Evidence against him becomes politically complicated.
Testimony raises questions about what happened during the Cylon occupation.
18:00–28:00
Baltar is acquitted.
28:00–38:00
Four characters discover they are Cylons:
Saul Tigh
Galen Tyrol
Samuel Anders
Tory Foster
38:00–43:00
The four hear the same mysterious music.
The Fleet receives a strange signal.
Dee shoots herself.
The episode ends with the revelation that four members of the Colonial community are members of the Final Five.
RAZOR

Razor is a two-hour special centered on Kendra Shaw and the Pegasus, while also revealing important events surrounding the Cylon conflict.

00:00–15:00
Kendra Shaw joins Pegasus.
Admiral Cain trains her to become a ruthless officer.
15:00–30:00
Pegasus survives the Cylon attack independently.
30:00–50:00
Shaw becomes deeply loyal to Cain.
Pegasus begins operating with Cain's extreme military philosophy.
50:00–70:00
Shaw encounters a Cylon hybrid.
The hybrid gives cryptic warnings.
70:00–90:00
Pegasus faces catastrophic danger.
Shaw must choose between obedience and morality.
90:00–110:00
Shaw sacrifices herself to save others.
The story connects directly to the events surrounding Season 2.
SEASON 4

Season 4 contains the final 20 regular numbered episodes plus the Face of the Enemy webisodes. It begins with Starbuck's return and ends with the destruction of the old Colonial civilization and the founding of a new human civilization on Earth.

S04E01 — "He That Believeth in Me"
00:00–08:00
Starbuck returns unexpectedly.
She claims only a few hours have passed from her perspective.
08:00–18:00
She insists she has found Earth.
Her Viper is inspected.
18:00–28:00
Galactica's crew does not trust her.
Roslin is particularly skeptical.
28:00–38:00
Starbuck reveals she has a new Viper.
The Fleet follows her clues.
38:00–43:00
Cylon and Colonial identity questions become increasingly blurred.
Starbuck's return becomes one of the central mysteries of the final season.
S04E02 — "Six of One"
00:00–08:00
Cylon society fractures over the Final Five.
08:00–18:00
Number One and other Cylons consider changing their beliefs about resurrection.
18:00–28:00
The Cylon civil conflict becomes open.
The concept of "human" and "Cylon" becomes increasingly unstable.
28:00–38:00
Starbuck struggles to convince Galactica's crew that her mission is legitimate.
38:00–43:00
Cylon politics move toward civil war.
S04E03 — "The Ties That Bind"
00:00–08:00
Chief Tyrol's marriage deteriorates.
08:00–18:00
Human/Cylon relationships become increasingly difficult.
18:00–28:00
Hera's significance grows.
28:00–38:00
Cylon society continues fracturing.
38:00–43:00
Relationships throughout the Fleet show the same pattern as human-Cylon politics: old loyalties are no longer enough.
S04E04 — "Escape Velocity"
00:00–08:00
Gaius Baltar develops a religious movement.
08:00–18:00
Baltar's followers begin worshiping him and Number Six's teachings.
18:00–28:00
Galen Tyrol struggles with his new Cylon identity.
28:00–38:00
Tyrol's religious and emotional beliefs begin collapsing.
38:00–43:00
Baltar's cult becomes politically significant.
S04E05 — "The Road Less Traveled"
00:00–08:00
Starbuck returns to active military service.
08:00–18:00
Apollo and Starbuck discuss her strange disappearance.
18:00–28:00
The Fleet investigates Cylon technology.
28:00–38:00
Anders struggles with his own memories.
38:00–43:00
Human and Cylon boundaries continue becoming less clear.
S04E06 — "Faith"
00:00–08:00
Roslin's cancer worsens.
Her physical condition becomes critical.
08:00–18:00
She and Adama discuss their uncertain future.
18:00–28:00
A new ship and new people introduce religious questions.
28:00–38:00
Kara continues pursuing clues about Earth.
38:00–43:00
Roslin's faith in the prophecy is renewed.
S04E07 — "Guess What's Coming to Dinner?"
00:00–08:00
A Cylon Basestar becomes a possible diplomatic bridge.
08:00–18:00
The rebel Cylons want help against the other Cylons.
18:00–28:00
Human-Cylon cooperation becomes a genuine strategic possibility.
28:00–38:00
The Fleet faces internal opposition to cooperation.
38:00–43:00
The mission brings humans and rebel Cylons closer together.
S04E08 — "Sine Qua Non"
00:00–08:00
Roslin goes missing.
08:00–18:00
Adama becomes desperate to find her.
18:00–28:00
Starbuck and Apollo search for her.
28:00–38:00
Adama's emotional attachment to Roslin becomes impossible to hide.
38:00–43:00
Roslin is rescued.
Adama and Roslin's relationship becomes one of the central emotional pillars of the final season.
S04E09 — "The Hub"
00:00–08:00
The rebel Cylons decide to attack the Cylon resurrection system.
08:00–18:00
The plan involves the Resurrection Hub.
18:00–28:00
Number Six and Baltar are caught up in the operation.
28:00–38:00
The Hub is attacked.
38:00–43:00
The Resurrection Hub is destroyed.
Cylon resurrection is effectively ended.
The political balance of the Cylon civil war changes permanently.
S04E10 — "Revelations"
00:00–08:00
The Fleet finally discovers the location of what appears to be Earth.
08:00–18:00
They arrive expecting a thriving human civilization.
18:00–28:00
The planet is damaged and apparently devastated.
28:00–38:00
The Colonial leaders discover the ruins of a previous civilization.
38:00–43:00
The Fleet realizes the planet they found may not be the promised Earth.
The episode ends in despair.
FACE OF THE ENEMY — WEBSERIES
Episode 1
Gaeta is aboard a Raptor.
He attempts to maintain order.
Episode 2
Gaeta develops a relationship with an Eight.
Episode 3
Personal tensions aboard the ship increase.
Episode 4
Gaeta's secret romantic relationship becomes politically dangerous.
Episode 5
The crew begins questioning the Cylon's identity.
Episode 6
Gaeta experiences worsening physical pain.
Episode 7
His leg injury becomes critical.
Episode 8
The crew becomes increasingly unstable.
Episode 9
Gaeta realizes the ship may not survive.
Episode 10
The webseries ends directly before the second half of Season 4.
It helps explain Gaeta's bitterness and political radicalization.
S04E11 — "Sometimes a Great Notion"
00:00–08:00
The Fleet examines the devastated Earth.
The discovery appears to destroy the prophetic narrative.
08:00–18:00
The remains contain evidence of nuclear destruction.
18:00–28:00
The Five's history begins to become clearer.
28:00–38:00
Kara discovers evidence that the planet's history is connected to the Cylons.
38:00–43:00
The episode reveals that the Earth found by the Colonials was the home of an earlier generation of humans/Cylons.
The discovery triggers a massive crisis.
S04E12 — "A Disquiet Follows My Soul"
00:00–08:00
Humans and rebel Cylons are increasingly living together.
08:00–18:00
The Fleet's civilian population becomes divided over Cylon integration.
18:00–28:00
Roslin tries to maintain political unity.
28:00–38:00
Baltar's religious movement becomes more influential.
38:00–43:00
The future government of the Fleet begins to look completely different.
S04E13 — "The Oath"
00:00–08:00
Gaeta's political movement begins planning a mutiny.
08:00–18:00
Humans opposed to Cylon integration join the conspiracy.
18:00–28:00
Gaeta and Zarek attempt to seize political control.
28:00–38:00
Galactica's command structure begins collapsing.
38:00–43:00
The mutiny becomes an open coup.
Loyalist personnel resist.
S04E14 — "Blood on the Scales"
00:00–08:00
Gaeta's coup continues.
08:00–18:00
Loyalist officers are imprisoned or killed.
18:00–28:00
Adama and Roslin's supporters attempt to regain the ship.
28:00–38:00
The mutineers lose control of key systems.
38:00–43:00
Gaeta and Zarek are captured.
Both are executed.
The mutiny is over.
S04E15 — "No Exit"
00:00–08:00
Anders' memories become increasingly important.
08:00–18:00
Ellen Tigh's history is revealed.
18:00–28:00
The origins of the Cylons are explored.
28:00–38:00
The Final Five's connection to ancient Cylon history becomes clearer.
38:00–43:00
The episode reveals that the story of human and Cylon creation stretches far deeper into the past than the Colonials understood.
S04E16 — "Deadlock"
00:00–08:00
Cylon political tensions continue.
08:00–18:00
Ellen's return creates complications.
18:00–28:00
Human and Cylon alliances remain unstable.
28:00–38:00
Hera's importance continues increasing.
38:00–43:00
The Fleet attempts to maintain unity while preparing for the final confrontation.
S04E17 — "Someone to Watch Over Me"
00:00–08:00
Kara continues searching for the meaning of her return.
08:00–18:00
She discovers music linked to the mysterious signal.
18:00–28:00
Kara realizes the music may be connected to the Final Five.
28:00–38:00
The identity of Kara herself becomes one of the series' greatest mysteries.
38:00–43:00
The episode strongly hints that Kara may be something different from an ordinary human or conventional Cylon.
S04E18 — "Islanded in a Stream of Stars"
00:00–08:00
Galactica's structure is deteriorating.
Years of combat have physically damaged the ship.
08:00–18:00
Adama worries the Battlestar cannot continue indefinitely.
18:00–28:00
Tyrol and the engineering crew struggle to maintain the ship.
28:00–38:00
Adama reflects on his relationship with Galactica.
38:00–43:00
The ship becomes almost a character itself.
The crew prepares for one final mission.
S04E19 — "Daybreak, Part I"
00:00–10:00
The Fleet prepares for its final mission.
10:00–20:00
Adama and the Fleet's leaders discuss the future.
20:00–30:00
Flashbacks begin revealing events from before the Fall.
30:00–40:00
The story reveals more of Adama's personal history.
40:00–43:00
The final confrontation with the Cylons approaches.
S04E20 / DAYBREAK — FINAL ACT
00:00–10:00
The Fleet prepares to rescue Hera.
10:00–20:00
The Cylons have captured Hera.
20:00–30:00
Humans and rebel Cylons launch a final combined assault.
30:00–40:00
Galactica jumps directly into the Cylon colony.
40:00–50:00
Colonial Marines enter the colony.
Vipers attack Cylon forces.
Centurions fight human soldiers.
50:00–60:00
Boomer helps rescue Hera.
Boomer ultimately realizes where her loyalty lies.
60:00–70:00
Cylon forces collapse.
The alliance between humans and rebel Cylons succeeds.
70:00–80:00
Adama confronts Cavil.
Cavil dies during the final confrontation.
80:00–90:00
The Fleet destroys the Cylon colony.
Human and Cylon survivors escape aboard Galactica.
90:00–105:00
The Fleet searches for a final home.
The idea of continuing the old civilization is abandoned.
105:00–120:00
The Fleet discovers the planet that will become modern Earth.
Humanity chooses to settle there permanently.
120:00–135:00
The survivors abandon advanced Colonial technology.
The people of the Fleet gradually begin forming primitive settlements.
135:00–150:00
The fleet is scattered.
Ships are sent away.
Galactica's journey ends.
150:00–165:00
Adama and Roslin visit the wilderness together.
Roslin's illness finally takes her life.
165:00–180:00
Adama mourns Roslin.
Humanity begins its new existence on Earth.
The Colonials and surviving Cylons become ancestors of modern humans.
Final scenes
Centuries/millennia later, modern humans are shown on Earth.
Baltar and Number Six appear as mysterious angelic figures.
They discuss the repeating cycle of technological development.
Advanced robots and artificial intelligence have begun emerging again.
The series asks whether humanity will repeat its previous mistakes.
The final idea is that the cycle may happen again.

The finale establishes that the survivors' settlement becomes part of Earth's ancient human history and that the Colonials' descendants contribute to modern humanity.

THE PLAN

The Plan retells events from the Cylons' perspective, particularly during the Miniseries and early seasons.

Major events
The Cylons plan the destruction of the Twelve Colonies.
Cylon agents are positioned throughout Colonial society.
John Cavil manipulates multiple Cylon models.
The Cylons debate how to destroy humanity.
Several humanoid Cylons participate in the attack.
Number Six's relationship with Baltar is shown from a different perspective.
Boomer's actions aboard Galactica receive additional context.
Caprica Six's experience is expanded.
Ellen Tigh is revealed to have a much greater Cylon significance than initially apparent.
Cavil's hostility toward the Final Five becomes increasingly obvious.
The Plan demonstrates that not every Cylon agreed with Cavil's methods.
The movie ends by reinforcing the eventual Cylon civil war.
THE MAJOR EVENTS ACROSS THE WHOLE SERIES
The Fall
The Cylons destroy the Twelve Colonies.
Roughly tens of billions of people are killed.
A tiny fleet survives.
Galactica becomes the central military protector.
The Fleet
Civilian ships are continuously added and lost.
Fuel is repeatedly scarce.
Water is nearly lost entirely.
Food production becomes a major issue.
Ship maintenance becomes harder every year.
The fleet eventually becomes a miniature civilization.
The Colonial Government
Roslin becomes President.
Zarek becomes a political revolutionary figure.
Baltar becomes Vice President.
Baltar eventually becomes President.
Democracy repeatedly conflicts with military necessity.
Martial law is imposed.
Democracy is restored.
The Quorum survives multiple political crises.
The government eventually becomes a mixture of Colonials and Cylons.
The Cylons
The Cylons are not one unified group.
There are multiple humanoid models.
The Final Five are fundamentally different from the other models.
Cylons possess religion, politics, relationships and internal disagreements.
Cylon resurrection allows consciousness to transfer into new bodies.
The Resurrection Hub is eventually destroyed.
Cylon society splits into factions.
Rebel Cylons ally with humanity.
The traditional Cylon hierarchy collapses.
Baltar
Begins as a brilliant but arrogant scientist.
Has a relationship with Number Six.
Accidentally provides access that helps destroy the Colonies.
Becomes haunted by an internal version of Six.
Becomes Vice President.
Becomes President.
Loses political credibility.
Is accused of collaboration.
Is put on trial.
Is acquitted.
Creates a religious movement.
Becomes involved in the human-Cylon alliance.
Ultimately survives the final battle.
Kara "Starbuck" Thrace
Starts as Galactica's most talented but reckless pilot.
Carries guilt over Zak Adama's death.
Captures and flies a Cylon Raider.
Survives on Caprica.
Returns to the Fleet.
Becomes imprisoned by Leoben.
Develops strange religious visions.
Apparently dies in "Maelstrom."
Returns mysteriously.
Claims to have found Earth.
Discovers the mysterious song.
Helps identify the path to the true Earth.
Her ultimate nature remains deliberately mysterious.
Lee "Apollo" Adama
Begins as an estranged son.
Becomes one of Galactica's principal pilots.
Develops a relationship with Starbuck.
Becomes commander of Pegasus.
Enters politics.
Defends Baltar.
Becomes a major political leader.
Becomes one of the principal figures responsible for the Fleet's future.
William Adama
Begins as Galactica's Commander.
Loses his son Zak.
Survives the Cylon attack.
Is shot by Boomer.
Returns to command.
Opposes Cain.
Leads the New Caprica rescue.
Searches for Earth.
Develops a relationship with Roslin.
Loses Roslin.
Leads the final assault on the Cylon colony.
Chooses to abandon Colonial civilization.
Spends his remaining life on the new Earth.
Laura Roslin
Begins as Secretary of Education.
Becomes President after the Fall.
Establishes civilian government.
Develops prophetic visions.
Becomes convinced Earth exists.
Conflicts with Adama.
Is arrested.
Escapes.
Searches for Kobol.
Leads the government through the New Caprica crisis.
Develops a romantic relationship with Adama.
Battles cancer.
Eventually reaches Earth.
Dies peacefully after the journey ends.
Saul Tigh
Starts as Adama's closest military officer.
Becomes acting commander.
Imposes martial law.
Leads resistance on New Caprica.
Loses an eye.
Is tortured.
Discovers he is a Cylon.
Learns Ellen is also a Cylon.
Becomes one of the Final Five.
Struggles desperately with his own identity.
Participates in the final alliance.
Sharon "Boomer" Valerii
Begins as a Galactica Raptor pilot.
Secretly commits acts of sabotage.
Is revealed to be a Cylon.
Struggles with her identity.
Helo falls in love with her.
Becomes pregnant with Hera.
Is repeatedly resurrected as a Cylon.
Eventually sides more strongly with humanity.
Helps rescue Hera.
Plays a major role in the final conflict.
Hera
First major human-Cylon hybrid child.
Becomes the focus of both human and Cylon factions.
Is hidden from the Cylons.
Is raised under false identities.
Becomes symbolically important to the prophecy.
Is eventually captured.
Her kidnapping triggers the final assault.
Her descendants eventually become central to Earth's future.
MASTER STORYLINE IN CHRONOLOGICAL ORDER

1. Humanity creates the Cylons.

2. The Cylons rebel.

3. The Cylons and humanity fight a devastating war.

4. The Cylons leave Colonial space.

5. The Cylons develop humanoid bodies.

6. The Final Five travel from another Cylon civilization.

7. The Final Five make contact with the other Cylons.

8. The Cylon models are created.

9. John Cavil turns against the Final Five.

10. The Cylons plan the destruction of the Twelve Colonies.

11. Number Six seduces/manipulates Baltar.

12. Baltar unknowingly gives Six access to critical Colonial systems.

13. The Colonies are nuked.

14. Galactica survives.

15. Roslin becomes President.

16. The Fleet escapes.

17. Cylon pursuit begins.

18. Water sabotage occurs.

19. The Astral Queen and Tom Zarek become important.

20. Starbuck confronts her guilt over Zak.

21. The Fleet discovers humanoid Cylons can infiltrate humans.

22. Leoben is captured.

23. Kobol is discovered.

24. The Arrow of Apollo becomes central.

25. Adama is shot.

26. Roslin takes back the presidency.

27. Starbuck retrieves the Arrow.

28. Adama recovers.

29. Kobol's Tomb is found.

30. Earth is given a real direction.

31. The Fleet discovers Pegasus.

32. Cain and Adama clash.

33. The Resurrection Ship is destroyed.

34. Helo and Sharon's relationship produces Hera.

35. Baltar becomes President.

36. New Caprica is colonized.

37. Cylons discover New Caprica.

38. The Cylon occupation begins.

39. Human resistance forms.

40. Tigh leads the resistance.

41. Kara is tortured by Leoben.

42. The Galactica fleet returns.

43. The New Caprica evacuation occurs.

44. Galactica performs the atmospheric maneuver.

45. Humanity escapes New Caprica.

46. Collaborator trials begin.

47. Baltar is held by the Cylons.

48. Human resistance and Cylon factions begin interacting.

49. The infected Cylons reveal biological warfare possibilities.

50. The Colonial government struggles with ethics.

51. The Fleet discovers the Temple of Five.

52. Starbuck disappears.

53. Baltar is put on trial.

54. Tigh, Tyrol, Anders and Tory learn they are Cylons.

55. Starbuck returns.

56. Cylon society enters civil war.

57. The rebel Cylons ally with humanity.

58. The Resurrection Hub is destroyed.

59. The Fleet reaches the devastated Earth.

60. The Colonials discover the planet is not the promised Earth in the way they expected.

61. The Final Five's history is revealed.

62. Gaeta's mutiny occurs.

63. Gaeta and Zarek are executed.

64. Humanity and rebel Cylons prepare for the final battle.

65. Hera is kidnapped.

66. Galactica launches one final assault.

67. Hera is rescued.

68. Cavil is defeated.

69. The Cylon colony is destroyed.

70. The Fleet reaches the true Earth.

71. The Colonials abandon advanced technology.

72. The Fleet's ships are scattered.

73. Modern Earth humanity descends from the survivors.

74. The technological cycle begins again.

75. The final question is whether humanity will repeat its history.