As conflicts reach a climax, Cylons and humans face a stark choice.
A call for volunteers is made for a final mission, as Galactica is stripped for parts.
As Galactica continues to deteriorate, Adama resists the need to abandon the ship and Baltar emerges as an unlikely voice of hope.
Kara befriends a charismatic piano player in Joe's Bar, who helps her face a shattering realization about her destiny.
Ellen is faced with a decision that could have repercussions for humans and the future of the entire Cylon race.
While aboard the Cylon baseship, Anders' condition releases a flood of visions and crucial memories.
Opposition in the fleet continues as rebels seize control of Galactica and take steps to eliminate Roslin and Adama.
Opposition to the Cylon alliance turns violent, and those in support of the union find themselves under a deadly attack.
Adama believes that Cylon technology will lead to a habitable space, but his proposal for an alliance is met by fierce resistance.
Watch the first episode of the final season, and find out how the end will begin.
A band of rebel Cylons hold President Roslin hostage while attempting to lure the Final Five out of hiding aboard Galactica.
A misfit band of Viper pilots and Cylon rebels unites to destroy a vital enemy target.
Roslin's abduction by the Cylon Hybrid triggers a power struggle in the Colonial fleet.
A new alliance is tested as the Galactica helps the Cylon rebels destroy a vital enemy target.
The ill Roslin and hotheaded Starbuck find it hard to accept an alliance with the Cylon rebels.
A possible truce with rebel Cylons leads Starbuck to put her trust in an old enemy.
Battlestar Galactica clip - starring Edward James Olmos, Mary McDonnell, Jamie Bamber, James Callis, Tricia Helfer, Grace Park.
Battlestar Galactica: Season 2.0 clip - starring Edward James Olmos, Mary McDonnell, Jamie Bamber, James Callis, Tricia Helfer, Grace Park.
The Battlestar Galactica saga began on one devastating day, when the human population of the Twelve Colonies of Kobol was annihilated in a series of surprise attacks by their own creation-the Cylons, a race of sentient robotic clones. The few survivors huddled together on space ships, facing almost certain death at the hands of their ruthless enemies. In Battlestar Galactica: Season 4.5, Commander William Adama (Emmy Awardr-winner Edward James Olmos), the hawkish military leader of the last surviving battleship, searches for a habitable planet as the murderous Cylons follow relentlessly. As mysterious premonitions help Laura Roslin (Mary McDonnell) the President of the Twelve Colonies, guide the ship to the fabled Thirteenth Colony, Earth, treacherous double agents, Cylon spies and internal dissent plague the Galactica. The ship's crew and passengers battle for their lives-and the survival of the human race-armed with only cunning and determination against the military might of the Cylon Empire.
End-title animation for episode 213, "Epiphanies."
End-title animation from episode 202, "Valley of Darkness."
David talks about the making of episode 312.
End-title animation from episode 210, "Pegasus."
Battlestar Galactica Executive Producers Ron Moore and David Eick's acceptance speech.
Number Six denies her feelings to Dr. Gaius Baltar.
Apollo and Starbuck reduce the eligible voting population in the Colonial fleet with one pull of the trigger.
Starbuck saves Apollo in a very unconventional way during a Cylon attack.
Check out an inside look at the design of Battlestar Galactica: Blood & Chrome.
Tyrol suddenly realizes that they'?re not all there for the music.
Jammer is brought to a mysterious private meeting with the Cylon Doral.