The first time the fans see Oliver Queen interact with John Diggle, Felicity Smoak, Tommy Merlyn, Laurel Lance, and Thea Queen, On Arrow Season 1 Episode 1 and Arrow Season 1 Episode 3
To live I had to make myself more than what I was, to forge myself into a weapon. I am returning not the boy who was shipwrecked, but the man who will bring justice to those who have poisoned my city. My name is Oliver Queen.