Arrow Midseason Finale Sneak Preview: Year's End

It's a special Christmas-themed episode of Arrow this week. Will there be a surprise appearance by Santa Claus? This is the last episode of Arrow until 2013. The ninth episode of Arrow is entitled "Year's End." According to The CW description, "Oliver discovers that after he and his father went missing, Moira and Thea stopped celebrating Christmas. Determined to make up for lost time and restore a sense of normalcy to the Queen household, Oliver decides to throw the family a Christmas party. Meanwhile, Tommy asks Laurel to spend Christmas with him but she points out that Christmas was also her sister Sara's birthday and she needs to be with her father. Tommy suggests changing things up might be the best way for everyone to heal but Laurel isn't sure her father is ready for that. Meanwhile, Diggle tells Oliver someone is murdering the people on his father's list with arrows, which sends Oliver off to face his toughest adversary yet." John Dahl directed the episode, which was written by Greg Berlanti & Marc Guggenheim with teleplay by Andrew Kreisberg & Marc Guggenheim.  The "Year's End" episode of Arrow airs on The CW on Wednesday, December 12 starting at 8 PM ET.