Battlestar Galactica (2003)

Season 4

TV-14

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As season 4 begins, the last remnants of humanity continue their search for a new home. Galactica’s crew attempts to make sense of the inexplicable while four members of the fleet are still reeling from past revelations.

Where to Watch Season 4

20 Episodes

He That Believeth in Me
E1
He That Believeth in MeDuring the Cylon attack, Sam Anders has a strange encounter with a Cylon Raider. The crew of the Galactica view Starbuck's return with suspicion and doubt. Gaius Baltar takes refuge with a group of women who believe he has the power to heal others.
Six of One
E2
Six of OneThe Cylons learn that the Final Five are in the Colonial fleet. Some of the Cylons want the Cavil model to stop lobotomizing the Raider ships. Starbuck desperately tries to convince the others that the fleet is going the wrong way in their search for Earth.
The Ties That Bind
E3
The Ties That BindThe aftermath of a coup among the Cylons leads to further violence, Lee finds himself facing off against Roslin during his first meeting with the Quorum of Twelve as the new representative of Caprica, and Cally discovers the horrible truth about her husband Galen Tyrol. Meanwhile, Starbuck aimlessly searches for Earth with Anders and other Galactica officers.
Escape Velocity
E4
Escape VelocityGaius Baltar causes intense unrest within the fleet when he begins to openly promote belief in the Cylon god. Colonel Tigh, Galen Tyrol, and Tory Foster argue over how far they should go to ensure their secret is not revealed.
The Road Less Traveled
E5
The Road Less TraveledSpecialist Tyrol continues to sink into despair after his recent loss. He becomes curious about Gaius Baltar's sermons and the following he has attracted. The crew of the Demetrius grow concerned about Kara's mental stability as an old enemy arrives with a tempting offer.
Faith
E6
FaithA vicious injury ends the mutiny attempt aboard the Demetrius, Kara leads her crew to the Cylon rebel's Basestar, and Roslin begins to understand Gaius Baltar's appeal to his followers. Meanwhile, Anders attempts to secretly find answers to his purpose as a member of the Final Five.
Guess What's Coming to Dinner?
E7
Guess What's Coming to Dinner?A shaky alliance between the Colonial Fleet and Cylon rebels is put to the test when the two groups combine efforts to take out a Cylon "Resurrection Hub". Meanwhile, Athena loses control when Hera becomes unnaturally drawn to Natalie.
Sine Qua Non
E8
Sine Qua NonWith President Roslin missing along with the cylon base ship a new president must be decided on. Galactica goes on a search for the missing base ship and the Galactica crew members that were on board.
The Hub
E9
The HubThe Hybrid keeps jumping the basestar, and Roslin has visions. The three, D'Anna, is un-boxed. Humans and Cylons engage in a battle to destroy the Resurrection Hub. Baltar is badly wounded and Roslin has to decide whether or not to help him.
Revelations
E10
RevelationsD'Anna demands that the four Cylons in the fleet be sent to the basestar. Only Tory goes, while the remaining three are suddenly drawn to Kara's Viper by the music. The route to Earth is finally found.
Sometimes a Great Notion
E11
Sometimes a Great NotionKara struggles with the foreboding prediction of the Cylon Hybrid, while Adama and the Colonial fleet face despair over their shocking discovery.
A Disquiet Follows My Soul
E12
A Disquiet Follows My SoulTigh and Number Six take their first glimpse at their unborn child, Tyrol offers Adama Cylon technology in return for his fellow Cylons properly reintegrated into the fleet, and an attempted coup leads to a costly struggle to maintain civility.
The Oath
E13
The OathLoyalties are made clear when Gaeta orchestrates a coup d'état of the Adama regime. Both prisoners and lives are taken as many of the fed up people work to take over Galactica.
Blood on the Scales
E14
Blood on the ScalesPresident Roslin faces off against Tom Zarek and Lt. Gaeta as they try to take control of the Colonial fleet. Both the alliance with the rebel Cylons and Adama's life are at stake.
No Exit
E15
No ExitAs Sam Anders recovers from his head injury onboard the Galactica, he begins to remember events from ancient Earth. The Final Cylon struggles with the fallout from the Final Five's former plans. One of the humanoid Cylons vows to get revenge for being created in the image of Man. Tyrol informs Admiral Adama about the extensive structural damage on the Galactica.
Deadlock
E16
DeadlockEllen escapes from Cavil only to face a momentous choice regarding the 13th Tribe and the Final Five Cylons.
Someone to Watch Over Me
E17
Someone to Watch Over MeKara feels lost while she struggles to cope with Sam's continued coma, meanwhile Boomer faces charges of treason from the Cylons onboard the base ship who blame her for voting against her model during the civil war causing the deaths of thousands of Cylons.
Islanded in a Stream of Stars
E18
Islanded in a Stream of StarsThe rebel Cylons and the Colonial humans react to Hera's kidnapping while the physical condition of the Galactica continues to deteriorate.
Daybreak (1)
E19
Daybreak (1)With Galactica on the verge of falling apart, Admiral Adama readies the ship for what could be its final mission, as Baltar's Six warns that humanity's final chapter is near.
Daybreak (2)
E20
Daybreak (2)Adama and the Galactica crew stake the survival of the human race on their plan to rescue Hera from the Cylon colony in this, the series finale.