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. Baltar discovers an anomaly in the (Sharon's) fetus that may cure Roslin's cancer.

Guest Stars: 

• Colm Feore - President Richard Adar
• Holly Dignard - Asha Janik
• David Richmond-Peck - Naylin Stans
• Jennifer Kitchen - Marine