This week, in "The Climb," Nyssa returns to Starling City and tells Oliver that her father, Ra's al Ghul has given Oliver 48 hours to find Sara’s killer or the The League of Assassins will start killing the citizens of Starling City. Laurel is stunned when her father delivers a very special Christmas gift – her mother, Dinah. Meanwhile, Ray tries to make amends with Felicity and Oliver sets a "meeting" with Ra’s al Ghul.
While watching, did you spot all of the fun DC factoids in this episode? Check out our latest Fan Brain: Arrow video and share your reaction to this week's Easter eggs in the comments.
SPOILER WARNING: This video contains spoilers for Arrow Season 3, Episode 9 - "The Climb"