Earl tries to make amends with Tom (number 50), the older man they let be the lead singer in his band but then kicked out before their first performance. While trying to arrange a reunion show Earl must also deal with Number 51, “Slept with Ralph’s mom.”
The children of Jericho start to return back to school. A power line that has fallen causes an accident on the playground when the power returns. Jake has an argument with his mother regarding a secret that Jake hasn’t disclosed to his dad.
Marshall tries to get used to being single in a world that is very coupled-oriented. Barney intended one-night-stand won’t go away. Barney uses Lily to get out of his “horrifying” situation. Lily finds a place to stay.
After her night with Brody, Claire wakes up in the last place she would have imagined. Matt meets a couple of men who seem to know too much about him. Mohinder Suresh finds one of the heroes. Hiro’s plan backfires in Las Vegas. Linderman’s assistant makes more trouble for Niki just as Nathan arrives in Las Vegas to talk to the crooked casino owner about a campaign contribution. Isaac paints a bleak future for Claire. Peter receives a cryptic message from a very unexpected source.
Sharon helps the Resistance on New Caprica as Adama leads Galactica on a dangerous rescue operation. Tyrol races to save Cally from the execution squad. Meanwhile Anders uncovers treachery among the humans. D’Anna Biers/Number Three meets the Oracle Selloi after having strange dreams about the temple.
Earl scratches number 56 off his list when he must return a prize winning cat back to its owner after sabotaging a cat show in Joy’s favor. Meanwhile Randy forms an attraction with the cat’s owner.
Jake finds a stranger who is sick with radiation poisoning and he must make a decision whether or not to help him. The hospital’s generator is running out of gas and the residents find that their supplies are also running low.
Claire’s romantic interlude with the football quarterback takes a tragic turn. Hiro convinces his friend, Ando, that it is their destiny to travel to America to save the world. Meanwhile, Nathan uses Peter’s accident for his own political gain. Officer Matt Parkman, Mohinder Suresh, and the FBI are all on the trail of the mysterious Sylar.
After Ted and Robin’s first big fight, Barney tries to convince Ted that being an architect is an easy in to picking up chicks. Lily and Robin start following his trail after discovering that Ted hit it off with a girl named Anna shortly afterward.
Tigh, Tyrol and Anders lead the Resistance on New Caprica to increasingly deadly attacks against the Cylons. Kara finds herself trapped in a new life with Leoben Conoy, and Duck makes a fateful decision. Meanwhile on Galactica, Adama struggles with the question of whether to return to New Caprica to mount a rescue attempt.