第 2 季 共 20 集
播出时间：2005年7月16日
第 1 集 Scattered
播出时间：2005年7月16日
With Adama out of action, Colonel Tigh takes his position as commander of the Galactica. Boomer is in jail, and the cat's out of the bag - she's a Cylon.
第 2 集 Valley of Darkness
播出时间：2005年7月23日
Tigh has to work with Lee to defeat a Cylon boarding party that threatens to take over Galactica and destroy the fleet.
第 3 集 Fragged
播出时间：2005年7月30日
Democracy is brought back to the fleet and soon with it come hardball politics and potentially deadly intrigue.
第 4 集 Resistance
播出时间：2005年8月6日
Tigh imposes martial law and threatens to split the fleet as Lee works to free President Roslin and organize democratic resistance.
第 5 集 The Farm
播出时间：2005年8月13日
Adama and Roslin fight for the hearts and minds of the fleet's population, as Starbuck finds herself trapped in a supposed resistance hospital.
第 6 集 Home (1)
播出时间：2005年8月20日
President Roslin's fragile coalition is put to the test in the first part of a two-part story. Apollo, who has sided with Roslin, runs into a conflict with Zarek and his accomplice Meier.
第 7 集 Home (2)
播出时间：2005年8月27日
Adama heads to Kobol to find Roslin, reassembles the fleet and heads down to Kobol himself to find the presidential party in search of the "Tomb of Athena" which allegedly leads to Earth. Apollo hangs out with Starbuck , Zarek tries to keep his cronie off plotting with Boomer who is unaware of tension building between Helo and Tyrol.
第 8 集 Final Cut
播出时间：2005年9月10日
A reporter is sent to Galactica to chronicle the harsh realities of life during wartime.
第 9 集 Flight of the Phoenix
播出时间：2005年9月17日
Sharon informs Adama that the Galatica has been infected with a computer virus that is tampering with the basic ship functions and is scanning them for weaknesses. All this is preparation for a major assault by the Cylon Raiders. So with the clock ticking
第 10 集 Pegasus
播出时间：2005年9月24日
Battlestar Galactica was not the only Battlestar to have survived the cylon attack, The Battlestar Pegasus also survived.
第 11 集 Resurrection Ship (1)
播出时间：2006年1月7日
The Battlestars Galactica and Pegasus face a new Cylon target, a "Resurrection" ship, while a power struggle threatens to result in all-out war among the human fleet.
第 12 集 Resurrection Ship (2)
播出时间：2006年1月14日
The struggle between Adama and Cain is temporarily put on hold while the two Battlestars combine forces for an assault on the Cylon Resurrection Ship. Apollo faces a momentous decision and Baltar takes an interest in Gina, the Cylon prisoner.
第 13 集 Epiphanies
播出时间：2006年1月21日
As President Roslin nears death, Dr. Gaius Baltar must be groomed for the worst case scenario. Roslin orders the death of Sharon's unborn child. A sabotaged Viper leads to an investigation that uncovers a movement of people seeking peace with the Cylons.
第 14 集 Black Market
播出时间：2006年1月28日
Pegasus' new commander Fisk is murdered by black marketeers, and Lee is charged with solving the crime. Roslin seeks to stamp out the black market by introducing new trade regulations.
第 15 集 Scar
播出时间：2006年2月4日
A crazed Cylon Raider attacks the Colonial fleet in a series of hit-and-run attacks. Overworked Viper pilots must defend a mining operation from this Raider that they nickname "Scar."
第 16 集 Sacrifice
播出时间：2006年2月11日
A woman takes hostages on Cloud Nine and demands that Adama turn over Sharon in order to avenge her husband's death at the hands of the Cylons.
第 17 集 The Captain's Hand
播出时间：2006年2月18日
Apollo assists in the search for a missing Raptor team as the new commander of the Pegasus grows increasingly unstable.
第 18 集 Downloaded
播出时间：2006年2月25日
After Boomer's consciousness is downloaded into a new body following her death, she struggles with her new life on Cylon-occupied Caprica. Number Six is asked to help Boomer adjust to her new role in Cylon society.
第 19 集 Lay Down Your Burdens (1)
播出时间：2006年3月4日
Chief Tyrol is plagued by terrifying dreams and seeks the aid of a priest. Kara leads a rescue mission to Caprica. Roslin and Baltar go head-to-head in a presidential debate that changes dramatically with the discovery of a habitable planet.
第 20 集 Lay Down Your Burdens (2)
播出时间：2006年3月11日
When Baltar wins the vote, Roslin considers stealing the election because she believes he is a Cylon collaborator.
