Litmus

When a new copy of Doral, a Cylon who had been previously exposed while serving as the Galactica's public-relations officer, sneaks aboard and blows himself up, killing three people, Commander Adama and President Roslin must finally make public the terrifying secret known only to a select few: Cylons now look like humans.

You Can't Go Home Again

When Lt. Kara Thrace goes missing in action after encountering a Cylon patrol while on a training mission, Commander Adama feels responsible — especially in light of her recent admission that she blames herself for his son Zak's death.

Act of Contrition

After a flight deck accident kills 13 pilots and wounds many others, Kara is thrust into service as a flight instructor and ordered to turn a group of civilian pilots and academy washouts into full-fledged Viper pilots.

Under My Skin

House and the team take on the case of a ballerina whose lungs collapse in the middle of a performance. When the treatment causes her skin to fall off, the dancer faces not only the prospect of never dancing again but also of dying an agonizing death. The team must use their imaginations to carefully choreograph ways to test and treat her delicate body without killing her. Meanwhile, House continues to suffer from what he thinks is insomnia, and he is willing to go to desperate measures to cure it.