We see Oliver and Laurel before the fatal trip taken by The Queen's Gambit in this Arrow sneak peek. It is from "The Undertaking."
Arrow is making its way to an explosive season finale. Watch the promo now for "The Undertaking."

Arrow Season 1 Episode 21 Quotes

Laurel: Then help me understand. If our relationship is going to end, at least let it end with honesty.
Tommy: Okay Laurel. Honestly, you belong with Oliver.

Diggle: What did you want?
Felicity: Is that any way to treat a girl who just walked up six flight of stairs?
Diggle: No, it's not. Welcome.