Left Behind (DC's Legends of Tomorrow)


 * For the Arrow episode of the same name, see Left Behind (Arrow).

"Left Behind" is the ninth episode of the first season of DC's Legends of Tomorrow and the ninth episode overall. It aired on March 31, 2016.

Synopsis
Ray, Sara and Kendra are shocked after they watch the Waverider fly off without them, leaving them stranded in the '50s. After waiting 2 years for their teammates to come back, the three realize they must move on with their lives. Ray and Kendra bond as a couple but Sara decides to return to the League of Assassins and Ra's al Ghul.

Trivia

 * This episode shares the same name of Arrow ' s . This name can be explained by the presence of Arrow ' s third season's main antagonist, Ra's al Ghul or by the fact that Sara Lance, Kendra Saunders and Ray Palmer are left behind by the Waverider.
 * Matt Nable makes his return as Ra's al Ghul.
 * In the promo, it's been confirmed that it's been two years since the last episode for Ray, Sara and Kendra.
 * One of Ray Palmer's students in 1960 is William H. Gates, Sr., the father of Microsoft co-founder Bill Gates.

Production
Preparation ran from December 7 until December 15, 2015. The first part of shooting ran from December 16 until December 19, 2015. The second part of shooting ran from January 3 until January 12, 2016.