Leap of Faith

Synopsis
Reunited with his sister, Oliver and Thea find themselves searching through a familiar maze of catacombs. Meanwhile, John and Lyla partner on a special ops mission.

Trivia

 * Though she does not appear in this episode despite being credited, Katie Cassidy makes her directional debut.
 * The scroll that Oliver uncovers suggests that rather than trying to stop the Crisis, the Monitor is going to cause it. Although this could be referencing the Anti-Monitor.
 * The tomb of Al-Fatith is in the same mountain that Oliver dueled Ra's Al-Ghul atop back in Season 3.
 * Thea references Indiana Jones when going through booby traps in Nanda Parbat.
 * This episode marked the end of the flash-forwards scenes.