When the initial Cylon attack against the Twelve Colonies fails to achieve complete extermination of human life as planned, twin Number Ones (Cavils) embedded on Galactica and Caprica must improvise…

The first Cylon war has been raging for 10 years and a young Ensign William Adama joins the fleet. Disappointed not to be assigned to a fighter but to a…

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.

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.

Ellen escapes from Cavil only to face a momentous choice regarding the 13th Tribe and the Final Five Cylons.

Kara 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…

The rebel Cylons and the Colonial humans react to Hera’s kidnapping while the physical condition of the Galactica continues to deteriorate.

Tigh 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…

Loyalties 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…

President 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…

As 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…

With 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…

Colonial Viper pilots plan an attack on the Resurrection Hub with their Cylon rebel allies.

D’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…

Kara struggles with the foreboding prediction of the Cylon Hybrid, while Adama and the Colonial fleet face despair over their shocking discovery.

Gaius Baltar sets off a debate on religious freedom when he promotes his belief in a single God.

Specialist 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…

The dying President Roslin and the aggressive Viper pilot Kara Thrace try to accept the new terms of the relationship with the Cylons.

President Roslin faces challenges as the Colonials plot with Cylon rebels to destroy a Resurrection Hub.

During 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…

The 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…

Kara 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…

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 defense.

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…

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…

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 unwittingly brings Hera to…

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 President Roslin continues…

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

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…

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.

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…

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…

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…

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…

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…

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.

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 reveal…

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…

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 treachery among…

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…