Adama reinstates Tyrol to Chief, and asks him to fix the ship, insisting on the repair crew being all human.
By performing a special type of inspection, Tyrol discovers fractures throughout the bulkheads that cannot be easily repaired, and recommends an organic Cylon compound, which Adama refuses.
As a side-effect of the bullet still lodged in his brain, Samuel Anders is able to recover memories of the complete origin and purpose of the Final Five.
Three others of the Final Five and Kara Thrace gather around his bedside, begging for him to be kept out of surgery until he can finish explaining.
Anders says that the Cylons, which were the thirteenth tribe of Kobol, began procreating naturally on Earth and finally lost resurrection technology.
When nuclear war destroyed the Earth Colony, the Final Five were killed but resurrected on the ship.
They made their way to the planets of the Twelve Colonies of Kobol, with the intention of warning the humans against repeating old mistakes and provoking another war with Centurions.
The Five gave them resurrection technology and created eight humanoid models, although the fleet previously only knew of the existence of seven of them.
Ellen tells her that she should have brought a tumbrel, implying that Cavil's procedure is some form of punishment or execution.
Sam comes out of surgery and Starbuck tries to talk to him, but paramedic Ishay points out on the monitor that he has almost no brain function.
In his room, Adama notices large cracks in the bulkheads, and finally relents, calling Tyrol and telling him to do whatever it takes to save the ship.
She stated that Kate Vernon "was terrific as the most commanding and shrewd Ellen we've ever seen" and also enjoyed Dean Stockwell's performance - "seeing him tap into Cavil's rage, resentment and condescension was a treat.