CAPTURED! Deciding that FBI agent Pierce (guest star David Conrad) must die, the shape-shifting alien Nasedo masquerades as Max (Jason Behr) and kidnaps Liz (Shiri Appleby) in an attempt to trick Pierce into revealing himself. When both Sheriff Valenti (William Sadler) and the real Max follow Nasedo to rescue Liz, Max is finally captured by the FBI. Meanwhile, Tess (guest star Emilie De Ravin) tries to convince Max, Michael (Brendan Fehr) and Isabel (Katherine Heigl) that they are destined to be together to propagate their species. Majandra Delfino and Colin Hanks also star. Patrick Norris directed the episode written by Toni Graphia