As animal rights activists ransack a laboratory, they get more than they bargained for when one of the caged “animals” unleashes a ferocious appetite. Leaving grotesquely mutilated dead bodies in…

Castle and Beckett look into the Vudon religion when an immigrant is found tortured in a ritualistic killing. Meanwhile on the homefront Castle must deal with the possible homecoming of…

Ted goes out on his own as an architect and hires an intern to help get things started, but the intern gets a little too close to others in the…

As Nathan, Claire, Peter and H.R.G. help Angela uncover her past, she reveals the dark secrets that have haunted her for years. Meanwhile, Mohinder learns of his father’s involvement in…

Jack Bauer endures the elements and fights on to prevent an attack that could change the country forever. As the catastrophic blow to the nation nears, Tony Almeida operates from…

Walt returns to work. Skinny Pete gets ripped off and when Jesse steps in to "handle it," he gets more than he bargained for. Skyler finally gets to thank Gretchen…

When a traitor is discovered inside the Dollhouse, Echo and Sierra are programmed as spy hunters to uncover the culprit. Meanwhile, Ballard receives surprising news from Mellie, and Adelle harbors…

Cal and Gillian assist FEMA in their investigation of a building collapse and uncover a massive cover-up. Meanwhile, a billionaire asks Ria and Eli to determine if his girlfriend loves…