Jeff must come to a decision after he makes a date with a hot statistics professor which clashes with Annie’s Day of the Dead Halloween party.

Claire is happy to have the house to herself on the first day of school, but Phil does not share her enthusiasm.

Brick’s teachers tell Frankie and Mike that he is « socially challenged ». Mike believes that enrolling Brick on a basketball team is a good way to get him to interact with others, but the idea falls through. However, when Mike enters the neighborhood block-party lawnmower contest, he realizes that Brick has some special talents. Meanwhile, Frankie joins a booster club in the hopes of raising enough money for Axl’s football team to buy new jerseys, but Axl refuses to give his old one up.

As Halloween approaches, Castle and Beckett are called to a graveyard where the body of a young man sporting vampire fangs has been discovered with a wooden stake driven through his heart. Their investigation takes them deep into the heart of New York’s underground vampire fetish community, where they learn that the motive for the victim’s murder may be hiding within the pages of the graphic novel he was writing before his death.

Matt goes to extreme measures to extinguish Sylar , who continues to torment him. Elsewhere, HRG calls in a favor from Tracy to save a troubled young boy whose misfortunes resemble her own. While Claire and Gretchen are being hazed by their new sorority sisters, they realize pledging might not be their biggest problem.

When the initial Cylon attack against the Twelve Colonies fails to achieve complete extermination of human life as planned, twin Number Ones (Cavils) embedded on Galactica and Caprica must improvise to destroy the human survivors.

When Cal’s old pal, Terry Marsh, comes to town, he brings plenty of trouble with him. Meanwhile, the rest of the team meets with some students from a prep school to determine if any of them are responsible for a threatening tape that was sent to the headmaster.

FBI Agent Peter Burke takes an unconventional route in tracking down a ruthless and devious outlaw named « Dutchman ». In order to catch the counterfeiter, he employs the help of incarcerated con man, Neal Caffrey.

Sierra is forced to face her past as her connection to the Rossum Corporation leads to obsession and murder.

With the ship on a collision course, the crew must decide who will stay and who will flee on the shuttle to try and find a habitable planet.