Left Behind (Arrow)

"Oliver Queen..... Is Dead"

- Malcolm Merlyn telling team arrow Oliver's fate

"Left Behind" is the tenth episode of the third season of Arrow and the fifty-sixth episode overall. It aired on January 21, 2015.

Synopsis
In the aftermath of Oliver’s fight with Ra's Al Ghul, Diggle and Roy Harper continue to protect the city in The Arrow's absence. However, after 3 days without hearing from Oliver, they begin to fear the worst may have happened to their friend. Felicity refuses to believe that Oliver could be dead until Malcolm pays the team a surprise visit. Thea suspects there is something more behind Oliver’s disappearance and asks Malcolm for a favor. Meanwhile, Ray tests a part of his new suit and Laurel takes up the mantle of the Black Canary.

Production
Preparation began October 10 and wrapped up on October 21. Filming began October 22 and ran until October 31.