Inner Child (Fringe)
"Inner Child"  is the 15th episode of the first season of the American science fiction drama television series Fringe, and the fifteenth  episode overall. The episode was written by co-producer Brad Caleb Kane and staff writer Julia Cho and directed by filmmaker Frederick E. O. Toye. It first aired in the United States on April 7, 2009 on the Fox Broadcasting Company. The episode relates the intersecting stories of a subterranean feral child looked after by Olivia Dunham (Anna Torv) and the return of a serial killer from her time before joining the Fringe Division.