Question: when do oliver and felicity sleep together?
Answer: Arrow season 3, episode 20, “The Fallen,” was an episode that will shape the course of the final episodes of the season. Oliver, Felicity, Diggle, and Malcolm took a dying Thea to Nanda Parbat, where Oliver agreed to become Heir to the Demon in exchange for use of the Lazarus Pit to revive his sister.