While Snart leads an elaborate escape plan, White Canary is faced with a decision that could be fatal for a member of the team. Watch the promo for "Legends of Tomorrow's" fifth episode, titled "Fail-Safe," below:
"Fail-Safe": After some of the Legends are captured and thrown into a Russian gulag during the height of the Cold War of 1986, Snart (Wentworth Miller) leads the team in an elaborate escape plan to free their comrades. However, Rip (Arthur Darvill) gives Sara (Caity Lotz) a secret side mission that could prove not only to be a liability, but fatal to the team.
Starring Caity Lotz as White Canary, Brandon Routh as the Atom, Wentworth Miller as Leonard Snart/Captain Cold, Dominic Purcell as Mick Rory/Heat Wave, Victor Garber as Professor Martin Stein, Franz Drameh as Jefferson "Jax" Jackson/Firestorm, Ciara Renee as Hawkgirl and Arthur Darvill as Rip Hunter, "Legends of Tomorrow" airs Thursdays at 8/7c on The CW.