BSG, Season 4

Season 4 picks up where the third-season finale left off, with Starbuck's mysterious return unhinging the Galactica crew in the middle of a Cylon attack. Meanwhile, Anders enters the space melee and has a surprising standoff with a Cylon raider.

Tensions rise in the Cylon ranks after they learn that the final five models are among the Colonials. Meanwhile, Kara's standoff with the president does not work out in the pilot's favor.

With Kara Thrace piloting a lone freighter in her desperate search for Earth, political intrigue and marital discord aboard Galactica is matched by deep rifts in Cylon solidarity.

Gaius Baltar sows unrest and violence in the fleet by promoting belief in the Cylon god. Meanwhile, the four secret Cylons on the Galactica clash over how far they should go to keep their mutual secret.

The prospect of a truce between humanity and a band of rebel Cylons encourages Starbuck to trust her old enemy, Leoben.

Faith is the best option for both the cancer-stricken President Laura Roslin and Kara Thrace who must put aside their differences to form an uneasy alliance with the Cylons.

President Roslin's leadership is tested as Galactica teams with Cylon rebels in a plot to destroy the enemy's Resurrection Hub.

President Roslin's abduction by the Cylon Hybrid triggers a bitter power struggle in the colonial fleet.

In pursuit of the enemy's Resurrection Hub, a misfit team of Viper pilots and Cylon rebels become uneasy collaborators as they formulate a battle plan. Meanwhile, President Roslin remains a captive of the rebel Cylons.

A band of rebel Cylons hold President Roslin hostage while attempting to lure the Final Five out of hiding aboard Galactica.

After the startling revelations of the mid-season cliffhanger, the fleet and its Cylon allies have united in a joint search for Earth. They encounter a devastated world where their expectations are shattered by events that echo down the millennia. Kara Starbuck Thrace (Katee Sackhoff) learns that the dire predictions of the Ancient Hybrid (of Razor) may be true about her.

Adama believes that Cylon technology is the only way to save the fleet, but his proposal for an alliance meets fierce resistance, led by Tom Zarek.

The opposition to the alliance with the Cylons turns violent, as gun shots echo through the ships and those who support the alliance find themselves under attack.

Rebels take control of Galactica and take steps to eliminate Roslin and Adama.

On the Cylon baseship, Cavil confronts the last member of the Final Five.

As Galactica continues to deteriorate, Ellen is faced with a decision that could have repercussions for the Final Five, the humans and the future of the Cylon race.

As Galactica continues to deteriorate, Ellen is faced with a decision that could have repercussions for the Final Five, the humans and the future of the Cylon race.

As Galactica continues to deteriorate, Adama resists the need to abandon ship while Baltar meanwhile emerges as an unlikely voice of hope.

As the Galactica is stripped for parts, a call for volunteers is made for a final mission.

As conflicts reach a climax, Cylons and humans face a stark choice.

As conflicts reach a climax, Cylons and humans face a stark choice.