In the wake of a tragic loss, Jimmy sinks into a drunken despair. A reading from Maggie spurs Dandy to action. Stanley and Elsa track down the Twins.

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 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.

Dre campaigns to be the new Santa at the annual office Christmas party, but when that honor goes to Angelica, the lovely head of HR, he goes to great lengths to unseat her, because he’s convinced Stevens & Lido needs a black Santa. Meanwhile, Bow is tired of competing with Ruby over who cooks the big Christmas Eve dinner.

When the BAU is called to Salt Lake City Utah to investigate a triple homicide, the search for a connection among the victims could lead them to a fugitive who could have ties to the UnSub.

Sketches include a gangster desperately tries to prove he's crazy; terrorists meet up to plan their next move; a jealous older brother makes a family dinner awkward.

On fight night, everyone is focused on Jay and Ryan, leaving the rift between Alvey and Lisa for later. Lisa questions her role in their life. Christina's demons show signs of surfacing.

Meryl Streep (Into the Woods (2014)); actress Rebel Wilson (Night at the Museum: Secret of the Tomb (2014)). Also: J. Cole performs, 'Be Free'.

Rollins connects a series of assaults to several rapes she worked in Atlanta. Meanwhile, a family court judge threatens to remove Noah from Benson's care.

Haley is turning twenty-one and the whole family is taking her to a bar to celebrate! Claire really wants Haley to start seeing her as a friend rather than her uptight mom, Mitch and Cam make the sad realization that they may not be as cool as they thought, and Phil and Jay’s quick pit stop to pick up Haley’s gift, a new car, becomes a disaster. Back at home, Alex, Luke and Manny babysit Lily and she decides to drop the ‘where do babies come from?’ bomb.

When Luke finally returns home after wrapping up his Moon or Shine Tour just days before he and Rayna tie the knot, Rayna starts to feel conflicted about leaving their kids to go out on the road again, especially after she discovers that Luke has been making parenting decisions without her. Meanwhile, Will invites Layla on tour in an effort to keep her close but when he sees her flirting with his boss at a party, he begins to feel like he’s losing control of their situation. Then, Teddy uses his Mayoral powers to track down a recent flame and Sadie crosses paths with an unexpected ex. Later, after getting some advice from his mom, Avery makes an unexpected decision.

Alex and Joel are challenged with a marathon surgery. Charlie has a day off that's full of surprises. Dana, Zach and James are tested.

Still burning over Ike calling him a Grandpa, Kyle teams up with some heavy hitters in the entertainment industry to create the most extravagant televised Holiday Spectacular ever. He’s sure that this event will be just the thing to bring families together again. Meanwhile, multiple holograms are still on the loose in South Park.

A high-profile athlete’s estranged wife is terrorized as her scandalous memoir is about to be published, and the TAU must investigate a long list of potential suspects to find the real perpetrator. Also, Beth finally reveals the painful details of her past

As Abby and Jaha each try to establish their authority, Clarke comes up with a plan to stop the Grounders' attack. At Mount Weather, Jasper, Monty, Miller and Harper plan their escape, as Dr. Tsing and Cage conduct deadly experiments.

Pundits react to a scathing Senate report on torture, Tom Blanton discusses CIA interrogation tactics, and Sarah Koenig talks about her investigative podcast, "Serial."

Episode info coming soon ..

Frankie loses her Christmas spirit, Mike unsuccessfully tries to exchange the new family Christmas tree, and a fight over Rudolph the Red Nosed Reindeer threatens to break up BossCo.

Mark Wahlberg (The Gambler (2014)); Kevin Nealon (Kevin Nealon's Laugh Lessons (2014)) performs stand-up and is interviewed. Also: Steve Carell performs with The Ragtime Gals.

The chefs must cook chowder. Later, an ultimate tasting party with fans of the series tests the contestants. Also: The face of the competition potentially changes when eliminated chefs return. Chef Jasper White makes an appearance.