The 2nd Precinct Detectives pay a visit to a horse racing track after a fertility doctor disappears and his wife suspects foul play. The twins are accused of bullying at their Tae Kwon Do class.

A shocking Tribal Council leads to one of the biggest blindsides of the season. Also, a sudden ankle injury could lead to a medevac just days before the game ends.

Having receiving their black jackets, the remaining chefs have to make a dish using Omaha steaks.

Frankie has had enough of schlepping out the Christmas decorations and trying to make the perfect holiday for her family - who she feels doesn't appreciate all that she does for them - and decides to kick back on the couch and have a minimalist Christmas this year. Meanwhile, due to Sue's allergy to real Christmas trees, Mike attempts to purchase an artificial one and ends up not getting what he paid for. Axl puts Boss Co. back into business for the holidays as Tree Wise Men but gets into such a heated argument with Sean over a misfit toy that the two can't seem to work together, and Brick becomes fascinated by a Christmas letter the family has received and attempts to write one on his own outlining the past year of the Hecks.

New couple Mel and Joe have a disagreement over whose family ornament gets to adorn the top of their Christmas tree.

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.

When Barry is approached by a modeling representative in the mall, Barry is convinced he'll be famous but Erica believes it's a scam so Beverly threatens the modeling rep to give him a gig or else. Later, Adam runs into his Pop Pop, Murray's grumpy dad, and thinks he can help mend the fences between estranged father and son.

A grumpy Ben wishes there was no such thing as Christmas, then is shocked when the fulfillment of his desire not only erases the holiday, but Emma's existence as well.

Abby is determined to find a way to protect her people from a coming attack by the Grounders, even if it means heading into unknown territory and leaving some captives behind. A worried Bellamy convinces Clarke to go with him to the drop ship, where he and Octavia reveal a dangerous secret. Clarke comes up with a bold new plan to stop the Grounders' attack, leading Abby to a desperate decision. Meanwhile, at Mount Weather, Jasper and Monty begin to question the motives of their new friends, while Dr. Tsing conducts a deadly experiment to determine how to make use of the captives.

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.

The pickers discover some motorcycles, but they are guarded by booby traps whilst a stubborn collector gets in the way of a mega-warehouse mega-pick.

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.

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.

The finals five battle it out to try and secure a place in the next phase of the competition.

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.

Jake's case comes to the front. Leslie has to face her very own life-changing event, with her job now on the line. Des finds himself in a compromising position. Tinny is caught up between family life and job. The Doyles have 48 hours to solve a case that could change their lives forever.

The Robertsons help a long time employee whose Mom has fallen on hard times by buying her a brand new house for Christmas. Jep, Jase, Martin and Godwin race to finish a deck in time for the big reveal, only to get sidetracked by a hammering competition. Meanwhile, Phil and the ladies prepare a holiday meal, while Willie goes to a local recording studio to create a Christmas song, but is annoyed by Kay and Si's constant interruptions.

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.

A friend of Nadia's leads the intelligence unit to a huge heroin bust. Unfortunately this bust results in Olinsky arriving home to find the suspects are holding his wife. Voight and the team think they've found a common thread with the suspects but it's not who they think. Meanwhile Burgess and Roman are given an assignment where they get paired with a K-9 officer, Jenn Cassidy who is Roman's former partner and girlfriend.

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.

The team is reeling from a KGB bombing and the mole's confession, but with Operation Glass hurtling towards a shocking climax, MI5 is running out of time to piece the puzzle together and avert disaster. Bobby and Wendy make a crucial discovery which could have implications at the highest levels of government.

Cartman Bra is trending as the country prepares to watch the biggest Holiday Spectacular ever.

In another Sudden Death Quickfire, chefs feel the pressure when they must cook chowder for the leading authority on New England chowder, Chef Jasper White. Then, in a monumental mid-season twist, the eliminated chefs from this season are brought back with the potential of changing the competition completely. For the Elimination Challenge, the Top Chef kitchen opens its doors for the first time ever for the ultimate tasting party with Top Chef super fans. In another first, Tom cleans out the shelves and Padma gets into mischief as the judges head to the grocery store to do all the shopping for the chefs' pantries.

Jessica Penne and Carla Esparza are up next in the semifinal followed by Randa Markos and Rose Namajunas.

Jake and Leslie fight for their lives as their enemies close ranks. They have to pull out every trick in the book to protect themselves, and receive help from a unexpected ally. But it soon gets down to the wire to clear Jake's name and secure freedom in the City of Legends.

Melanie and Jack want to add spice to their relationship; Victoria becomes a vodka spokesperson.

While Jimmy wallows in self-pity, Dandy sets out to destroy the man who deprived him of the Tattlers. Meanwhile, Desiree meets an old flame, Dell contemplates suicide, and Elsa and Stanley find the twins.

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.

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.

Holly decides to throw a birthday party for Stuart and Nicky in hopes of impressing a new man in town.

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.

Suki Kim

Rebecca Romijn, Robert Patrick, Mo Mandel

Fiona finds some some things from Judith whilst the Pink Eye Ball's MC calls to rescind Fiona's makeover with Nina Garcia and offer her anything different instead.

Sarah Koenig

Tonight guests are actor Mark Wahlberg and actor Kevin Nealon.

Meryl Streep, Rebel Wilson, J. Cole

Judah Friedlander, Brooks Wheelan and Mamrie Hart compete to determine who has the funniest take on the day's pop culture.

Seth was joined by Cameron Diaz, Richard Engel, and Bob Mould who sits in with the The 8G Band.

Mila Kunis, Bob Saget

Before Matt McClelland's wife Anne died six years ago, they'd been looking for a rural property to build on - a place to call home for them and for their four adult children to come to visit. So when Matt stumbled across 40 acres in central Victoria with spectacular views to Mt Alexander's granite hill side, he knew he'd found the spot.

With Spector under surveillance, Gibson wants to make sure that a solid arrest strategy is put in place so that no evidence is lost and the police have the best chance of saving Rose Stagg. However, the killer's unpredictability forces the detective to act quickly as her carefully laid plans fall apart in front of her eyes.

After a nightclub shooting, tension in the city is high. Banjo is there for Robbie as the internal investigation begins. Back at headquarters, there's a vacancy at the top of the force, Charles is the obvious candidate and he hires Finn as his advisor. A child goes missing, which may save Liz's job.