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Season guide

Battlestar Galactica: Season 3

20 episodes Premiered Oct 6, 2006 Updated Oct 7, 2026

Season 3 of Battlestar Galactica continues the narrative immediately following the cliffhanger finale of the previous season. The crew of the Galactica, having successfully located a habitable planet, faces new complications as they attempt to establish a presence there. The situation is further intensified by the arrival of the Cylons, who track the human fleet to this new location. Led by Caprica Six and Sharon, th

Previously on Battlestar Galactica

Season 3 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ The Cylons are an old enemy that resurfaced to obliterate the twelve colonies.
  • ⚡ The Galactica serves as the protector for the last of humanity, which consists of a small civilian fleet.
  • ⚡ The fleet is on a journey to find the fabled thirteenth colony known as Earth.
  • ⚡ Caprica Six and Sharon are identified as Cylon figures involved in the events leading into the third season.
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Season overview

Season 3 of Battlestar Galactica continues the narrative immediately following the cliffhanger finale of the previous season. The crew of the Galactica, having successfully located a habitable planet, faces new complications as they attempt to establish a presence there. The situation is further intensified by the arrival of the Cylons, who track the human fleet to this new location. Led by Caprica Six and Sharon, the Cylons present a surprising proposal of peace to the remnants of humanity. This development forces the leadership and the civilian fleet to navigate a precarious new reality as they weigh the potential for a truce against the threat posed by their long-standing enemy. As the series progresses, the tension between the surviving humans and the Cylon forces remains a central conflict, testing the resolve of the Galactica crew as they continue their journey. The season explores the complex dynamics of this proposed peace and the ongoing struggle for survival for the last of humanity, who remain under the protection of the aged Galactica while searching for the fabled thirteenth colony, Earth.

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Season 3 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 3 Progress Shield

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Binge Efficiency Engine

Season 3: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

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80%
Mytharc (4): Crucial lore & season climaxes
Core (16): Character development & subplots
Side Quest (0): Standalone / filler
S3·E1 Mytharc

Occupation

Oct 6, 2006 · 44 min

Tigh, Tyrol and Anders lead the Resistance on New Caprica to increasingly deadly attacks against the Cylons. Kara finds herself trapped in a new life with Leoben Conoy, and Duck ma

S3·E2 Core

Precipice

Oct 6, 2006 · 44 min

Adama plans to return to New Caprica and drop off a surprising person to act as a liaison between Galactica and the Resistance. Tigh's insistence on the use of suicide bombers and

S3·E3 Core

Exodus (1)

Oct 13, 2006 · 44 min

Sharon helps the Resistance on New Caprica as Adama leads Galactica on a dangerous rescue operation. Tyrol races to save Cally from the execution squad. Meanwhile Anders uncovers t

S3·E4 Mytharc

Exodus (2)

Oct 20, 2006 · 44 min

Tigh must decide the fate of his wife Ellen after the assistance she rendered to the Cylons. Lee struggles with his assignment to protect the civilian fleet on its journey toward E

S3·E5 Core

Collaborators

Oct 27, 2006 · 44 min

Tyrol participates in the Circle, a secret tribunal on Galactica that tries and convicts in absentia those accused of collaborating with the Cylons during the Occupation. The death

S3·E6 Core

Torn

Nov 3, 2006 · 44 min

Lingering feelings of rage lead Saul Tigh and Kara Thrace to cause problems aboard Galactica between the survivors from New Caprica and those who stayed with the fleet during the O

S3·E7 Core

A Measure of Salvation

Nov 10, 2006 · 44 min

Apollo formulates a plan that threatens the very existence of the Cylon culture. Adama and Roslin must decide whether to follow through on the plan to use a biological weapon again

S3·E8 Core

Hero

Nov 17, 2006 · 44 min

A figure from Adama's past returns to haunt him. His return raises questions about why the Cylons launched their initial attack against the Twelve Colonies.

S3·E9 Core

Unfinished Business

Dec 1, 2006 · 44 min

Adama stages a boxing tournament on the Galactica to help the crew relax. The competitive atmosphere sets off a brutal match between Kara and Lee. Flashbacks from New Caprica revea

S3·E10 Core

The Passage

Dec 8, 2006 · 44 min

The Colonial fleet faces starvation when the food-processing machines are contaminated. Kat plays a vital role in the success or failure of the "Passage" through space.

S3·E11 Core

The Eye of Jupiter

Dec 15, 2006 · 44 min

Tyrol discovers the Temple of Five on the algae planet. The temple may hold the Eye of Jupiter, which is believed to show the way to Earth. The Cylons take a keen interest in the d

S3·E12 Core

Rapture

Jan 21, 2007 · 44 min

D'Anna/Number Three squares off against Adama over the Temple of the Five. Athena asks for Helo's aid in her plan to rescue Hera. On the algae planet, Apollo orders Dee to leave he

S3·E13 Core

Taking a Break from All Your Worries

Jan 28, 2007 · 44 min

Now on board Galactica, Baltar faces charges of treason. He contemplates suicide with the help of Number Six. Questions remain about his true identity. Is he a Cylon or isn't he? A

S3·E14 Core

The Woman King

Feb 11, 2007 · 44 min

The Sagittarons allege that a doctor is discriminating against them. As Helo investigates, he becomes concerned that the doctor may even be murdering patients. Meanwhile, Athena un

S3·E15 Core

A Day in the Life

Feb 18, 2007 · 44 min

Chief Tyrol and his wife Cally become trapped in a malfunctioning airlock. Adama remembers his late wife Carolanne as he marks his wedding anniversary. His relationship with Presid

S3·E16 Core

Dirty Hands

Feb 25, 2007 · 44 min

Amid a heated labor dispute, Tyrol asks the imprisoned Baltar for advice. Seelix becomes involved after she is turned down for flight training.

S3·E17 Core

Maelstrom

Mar 4, 2007 · 44 min

Kara continues to have dreams about Leoben Conoy and the mandala she painted at her old apartment on Caprica. While on patrol in her Viper, she encounters a Cylon Heavy Raider. Whe

S3·E18 Core

The Son Also Rises

Mar 11, 2007 · 44 min

When Baltar's representatives face assassination attempts, Adama asks Lee to protect Baltar's lawyer. After taking on the assignment, Lee seeks to play an active role in Baltar's d

S3·E19 Mytharc

Crossroads (1)

Mar 18, 2007 · 44 min

Baltar's trial testimony threatens the very stability of the fleet. Lee assists Romo Lampkin in Baltar's defense. Some in the fleet begin to feel that Baltar is divine. Though he d

S3·E20 Mytharc

Crossroads (2)

Mar 25, 2007 · 44 min

As Baltar's trial comes to a conclusion, key members of the fleet discover that they may be the Final Five Cylons. Tigh attempts to decipher the strange music he is hearing in his

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