WEDNESDAY, DECEMBER 12

"ARROW" - (8:00-9:00 p.m. ET)

"Year's End" (Content Rating TBD) (HDTV)

IT'S CHRISTMAS TIME AT THE QUEEN HOUSEHOLD - Oliver (Stephen Amell) discovers that after he and his father went missing, Moira (Susanna Thompson) and Thea (Willa Holland) 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 (Colin Donnell) asks Laurel (Katie Cassidy) 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 (Paul Blackthorne). 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 (David Ramsey) 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 with story by Greg Berlanti & Marc Guggenheim and teleplay by Andrew Kreisberg & Marc Guggenheim (#109).