Battlestar Galactica Episode Guide - Season Four

Razor
Flashbacks tell the story of the Battlestar Pegasus
He That Believeth in Me
Starbuck claims to know the way to Earth
Six of One
A Number Six model cylon starts a coup within the cylons
The Ties That Bind
Starbuck leads a single ship searching for Earth.
Escape Velocity
Colonel Tigh unravels as Baltars cult grows
The Road Less Traveled
Starbuck agrees to work with a cylon to find Earth
Faith
A cylon hybrid reveals more clues about Earth
Guess What's Coming to Dinner?
Starbuck and cylon rebels attack a cylon target
Sine Qua Non
Political quarreling threatens to disrupt the fleet
The Hub
Cylon rebels and viper pilots attack the Resurrection Hub
Revelations
The fleet arrives at Earth
Sometimes a Great Notion
It is discovered that cylons inhabited Earth until a nuclear war decimated the planet.
A Disquiet Follows My Soul
Politician Tom Zarek tries to break ties with the cylons
The Oath
Zarek and Felix Gaeta stage a coup and assume control of Galactica
Blood on the Scales
Aftermath of Gaeta's military coup
No Exit
Ellen Tigh is reborn on a Basestar and the ship Galactica is buckles under age and strain
Deadlock
Galactica is repaired with cylon technology
Someone to Watch Over Me
Starbuck discovers musical clues
Islanded in a Stream of Stars
A damaged Galactica is abandoned
Daybreak: Part 1
Flashbacks of life before the cylon attack
Daybreak: Part 2
Galactica takes part in a final battle. The fleet arrives a habitable world and its future is revealed