S1, E14: Thomas (Clifton Collins, Jr.) summons Sophia (Laura Innes), Diane Geller (guest star Gabrielle Carteris, "Beverly Hills, 90210"), and the other Sleepers to reveal the contents of the game-changing message he received. With newfound intensity, President Martinez (Blair Underwood) confronts Vice President Ray Jarvis (Bill Smitrovich) about his betrayal. Sean (Jason Ritter) blackmails Vicky (Taylor Cole) into helping him on a mission of vengeance. Elsewhere, Dempsey (guest star Hal Holbrook, "Water for Elephants") continues on his hunt for experimental subjects. Sarah Roemer, Ian Anthony Dale, Scott Patterson, Zeljko Ivanek, and Lisa Vidal also star.