Season Four
He That Believeth In Me
Episode #: 401
Air Date: 04.04.08
Our Rating: 
As Kara miraculously returns to Galactica with the promise of directions to Earth, suspicion is cast on her identity. Baltar considers his new future when he is introduced to a group of people who practically worship him.
Six of One
Episode #: 402
Air Date: 04.11.08
Our Rating: 
The Cylon models feud over the proper course of action after learning that the final five models are living as Colonials. Adama and Roslin debate Kara's fate after her confrontation with the President.
The Ties That Bind
Episode #: 403
Air Date: 04.18.08
Our Rating:
With Tyrol, Tory, Anders, and Tigh meeting in secret, a desperate and frustrated Cally suspects the Chief of having an affair -- only to discover the truth about him.
Escape Velocity
Episode #: 404
Air Date: 04.25.08
Our Rating:
After suffering a major loss and slipping up on the job, Chief Tyrol goes through a major personal crisis. Baltar's sanctuary is assaulted, leading him to protest against the Colonials' gods. Tigh begins to see his dead wife in the face of the Cylon prisoner.
The Road Less Traveled
Episode #: 405
Air Date: 05.02.08
Our Rating:
Tensions mount on board the Demetrius when Kara picks up Leoben adrift in a damaged Cylon ship, adding to the crew's distrust of her. Tyrol investigates Baltar's growing cult.
Faith
Episode #: 406
Air Date: 05.09.08
Our Rating:
With the Demetrius crew at each other's throats, Kara takes Leoben to the wreckage of a Cylon base ship to follow the only lead she has left. During her cancer treatment President Roslin meets a fellow patient who is also dying.
Guess What's Coming to Dinner
Episode #: 407
Air Date: 05.16.08
Our Rating:
Kara and the crew of the Demetrius bring Galactica a plan to join forces with a group of rebel Cylons, to find both Earth and the Final Five.
Sine Qua Non
Episode #: 408
Air Date: 05.30.08
Our Rating:
Zarek assumes the presidency in Roslin's absence, triggering a power struggle within the fleet. Admiral Adama puts the fleet at risk in his search for Laura.
The Hub
Episode #: 409
Air Date: 06.06.08
Our Rating:
As the Colonials and Cylon rebels plan their attack on the Resurrection Hub, President Roslin tries to get the hybrid to explain her dream.
Revelations
Episode #: 410
Air Date: 06.13.08
Our Rating:
D'Anna's ploy to draw four of the Final Five out of the Colonial fleet leads to a hostage stand-off, with one of the Cylons offering himself as a bargaining chip. A critical clue to the location of Earth is discovered.
Sometimes a Great Notion
Episode #: 411
Air Date: 01.16.09
Our Rating:
The fleet struggles with the repercussions of their discovery of Earth, and Lee must step up after President Roslin has a breakdown. Tigh discovers the identity of the final Cylon.
The Disquiet That Follows My Soul
Episode #: 412
Air Date: 01.23.09
Our Rating:
To move the survivors forward Adama proposes a more long-term alliance with the Cylon rebels. But Tom Zarek and the Quorum disagree, leading to a stand-off with the fleet left hanging in the balance. Tyrol learns a disturbing truth about his son.
The Oath
Episode #: 413
Air Date: 01.30.09
Our Rating:
Lt. Gaeta and Vice President Zarek move against Adama over his collaboration with the Cylons, launching an all-out coup and taking control of the fleet.
Blood on the Scales
Episode #: 414
Air Date: 02.06.09
Our Rating:
Gaeta and Zarek attempt to put Admiral Adama on trial to legitimize their coup, while President Roslin flees to the rebel base ship. Those loyal to Adama try and retake the ship.
No Exit
Episode #: 415
Air Date: 02.13.09
Our Rating:
A bullet lodged in Sam's brain brings out his latent memories of Cylon history and the Final Five, which he tries to share with the others before his surgery. The last Cylon is resurrected on Cavil's baseship, and fights against becoming a pawn in his twisted agenda.
Deadlock
Episode #: 416
Air Date: 02.20.09
Our Rating:
The final Cylon returns to the fleet and is reunited with her loved ones, but her presence wreaks havoc between them. Baltar discovers that someone else has taken over leadership of his followers.
Someone to Watch Over Me
Episode #: 417
Air Date: 02.27.09
Our Rating:
Kara meets a composer in the bar while she struggles to come to terms with what she found on Earth. The rebel Cylons ask to try Boomer for treason, leading Chief Tyrol to reconnect with her.
Islanded In A Stream Of Stars
Episode #: 418
Air Date: 03.06.09
Our Rating:
Galactica continues to deteriorate following the Cylon escape, forcing Admiral Adama to consider evacuating the ship. Helo and the crew react to Hera's kidnapping.
Daybreak, Part 1
Episode #: 419
Air Date: 03.13.09
Our Rating:
As the crew remember their old lives on Caprica, Admiral Adama launches a plan to rescue Hera from the stronghold of the Cylon civilization -- knowing that Galactica herself may not survive.
Daybreak, Part 2
Episode #: 420
Air Date: 03.20.09
Our Rating:
The crew of Galactica risks everything to rescue Hera from Cavil, joining forces with Cylon rebels for a direct assault on the enemy's home colony -- leading to a fateful, final showdown.
Daybreak, Part 3
Episode #: 421
Air Date: 03.20.09
Our Rating:
A final jump for the Galactica takes the crew to their new home, where old friends and family say goodbye.