Season 4

2008 · 20 episodes

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.

1He 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.
2Six 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.
3The Ties That BindKara Thrace seeks her own path in the search for Earth while the Cylons face the threat of sentient Centurions. A member of Galactica's crew learns a dark secret about a loved one.
4Escape VelocityGaius Baltar sets off a debate on religious freedom when he promotes his belief in a single God.
5The 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.
6FaithThe dying President Roslin and the aggressive Viper pilot Kara Thrace try to accept the new terms of the relationship with the Cylons.
7Guess What's Coming to Dinner?President Roslin faces challenges as the Colonials plot with Cylon rebels to destroy a Resurrection Hub.
8Sine 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.
9The HubColonial Viper pilots plan an attack on the Resurrection Hub with their Cylon rebel allies.
10RevelationsD'Anna holds President Roslin and other Colonials hostage in order to draw out the Final Five from the Colonial fleet. Col. Tigh believes he has the solution to end the standoff.
11Sometimes a Great NotionKara struggles with the foreboding prediction of the Cylon Hybrid, while Adama and the Colonial fleet face despair over their shocking discovery.
12A 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.
13The 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.
14Blood 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.
15No 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.
16DeadlockEllen escapes from Cavil only to face a momentous choice regarding the 13th Tribe and the Final Five Cylons.
17Someone 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.
18Islanded 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.
19Daybreak (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.
20Daybreak (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.

Episodes