Key Events
Head 6 disapears from Baltars head and a copy of number 6 appears on Galactica with evidence supposedly showing him planting a bomb in the Colonial Defense Mainframe on Caprica.
Boomer suggests to Tyrol that he should treat the captured cylon Raider more as an animal than a machine
Boomer finds the word Cylon written on the inside of her locker
After Baltar prays to and acknowledges God pledging himself to his service, Head 6 reappears. Gaeta then finds proof the evidence is false, and frees Baltar. Shelly Godfrey has disappeared without a trace only leaving her …

Key Events
Another copy of Doral (number 5) boards Galactica and after obtaining explosives blows himself up when confronted by Commander Adama
It is publically announced that there are humanoid cylons
The Deckhands try to cover for Chief Tyrol and Boomer but end up giving contradicting reports to Sergeant Hadrian
Soccinus lies for Tyrol about leaving the hatch combing on causeway C open (it was probably Boomer) and ends up in jail
Hadrian starts to interrogate Commander Adama about the bombing virtually accusing him of being in league with the cylons, so Adama stops the Tribunal …

Key Events
Starbuck crash lands on a moon breaking a leg, and manages to recover a crashed Cylon Raider and bring it back to Galactica 
On Caprica, Athena is “captured” by the cylons when Helo is knocked unconscious during an attack
What we learn
When the episode starts it is still the 15th day after the fall of the 12 colonies
A pilots suit and survival gear holds at least 46.5 hours worth of oxygen
Helo and Athena have enough anti-radiation meds to last 3 months
Cylon Raiders are partly organic in nature
Unanswered Questions
How and when did Starbuck write …

Key Events
A Hangar bay accident kills 13 pilots and puts another 7 in sickbay
Starbuck starts to train replacement pilots
Commander Adama learns that Starbuck passed Zak Adama when he should have failed basic flight
Starbuck and Hotdog engage and destroy 8 cylon raiders, but Starbucks Viper is badly damaged and gets caught in a moons gravity well
President Roslin asks Doc Cottle to obtain Chamalla extract to treat her cancer
On Caprica Helo and Athena find a stash of much needed supplies
What we learn
It is 14 days since the attack on the colonies
A pilots 1000th landing is …

Key Events
Lee Adama and a team go to the Astral Queen to try to recruit help for water extraction
Lee and his team are held hostage by Zarek who demands Elections
Zarek agrees to have his people help with water extraction and Lee promises elections
Adama gives Baltar a nuclear warhead in order to facilitate his building of a cylon detector
Lee Adama finds out that Roslin has Cancer 
What We Learn
It is 12 days since the attack on the colonies
The Prisoners on the Astral Queen where on the way to Caprica for Parole hearings
Tyrol and Boomers …