Legends of Tomorrow: Fail-Safe

"Fail-Safe" is the fifth episode of the science fiction & superhero/action series DC's Legends of Tomorrow. The episode was directed by Glen Winter with a teleplay written by Greg Berlanti, Marc Guggenheim, Andrew Kreisberg, and Phil Klemmer. It first aired on the CW Network on Thursday, February 18th, 2016 at 9:00 pm.