S1, E15: President Martinez (Blair Underwood) and Blake Sterling (Zeljko Ivanek) have the Sleepers surrounded, but after Sophia (Laura Innes) triggers a national disaster, negotiations ensue. Elsewhere, with a lead on the whereabouts of Dempsey (guest star Hal Holbrook, "Water for Elephants"), Sean (Jason Ritter) and Vicky (Taylor Cole) continue on their mission. Sarah Roemer, Ian Anthony Dale, Clifton Collins, Jr., Scott Patterson, Bill Smitrovich and Lisa Vidal also star.