2x09 Three Ghosts
First Aired: Dec. 11, 2013 on The CW
Summary: After a fight with Cyrus Gold AKA the Acolyte, Oliver is drugged and left for dead. Determined to cure him, Felicity makes a risky decision. The cure causes Oliver to hallucinate, and what he sees forces him to confront his past. Meanwhile, Barry continues to help Felicity, and their…
Felicity Smoak: Oh, my God, is he okay?
Oliver Queen: He's alive. But we are going to have to keep an eye on him.
John Diggle: And Cyrus Gold?
Oliver Queen: Died on Saturday, buried on Sunday.
Tommy Merlyn: You're not going to die down here.
Oliver Queen: Tommy, I'm sorry. I let you die.
Tommy Merlyn: You didn't let me die, Ollie. You fought to save me. Because that's what you do. What you have always done. You fight to survive. I know I called you a murderer, but you are not. You are a hero. You beat the island. You beat my father. So fight, Oliver. Get up and fight back.