The Tomorrow People 1x08 "Thanatos" - Stephen (Robbie Amell) is determined to uncover what he hopes is the key to finding his father, and crafts a plan with the Tomorrow People that involves getting inside Jedikiah's (Mark Pellegrino) head. Meanwhile, Cara (Peyton List) and Russell (Aaron Yoo) encounter an uninvited visitor in the subway tunnel base. Stephen takes a risky opportunity and snoops around Ultra. Luke Mitchell also stars. Rob Bailey directed the story by Greg Berlanti and Phil Klemmer and teleplay by Phil Klemmer and Alex Katsnelson (#108).