Midnight

On an all-new special holiday episode of Ridiculousness Rob,Chanel and Steelo get swole with Santa in MILK AND COOKIEMUSCLES, witness some NATIVITY SCENE STEALERS, and spentChristmas overseas in MERRY CHRISTMAS, MOSCOW.

On an all-new special holiday episode of Ridiculousness Rob,Chanel and Steelo experience some Christmas wins in CHRISTMASCLUTCH, meet some sexy Santas in KRINGLE AND READY TO MINGLE,and witness the stupidity of THREE UNWISE MEN.

Lily Collins ("Emily in Paris"): "12 Days of Holidays."

Clinton Kelly brings holiday appetizers and his garlic buttershrimp casserole; a man cooks up a magical holiday surprisefor an inspiring family; Rachael's warm winter bread salad.

Watch What Happens Live 18x201 - RACHEL DRATCH and ANA GASTEYER

Mike Rowe talks with Nick about the all-new season of theseries Dirty Jobs.Plus, after a billion views online, K-Popsensation Aespa joins Nick for their first in-person appearanceon a daytime talk show!

Singer H.E.R. ("Beauty and the Beast: A 30th Celebration"):"12 Days of Holidays."

Watch What Happens Live 18x200 - KRISTIN CHENOWETH and GINAKIRSCHENHEITER

Engineering Catastrophes 5x3 - Cincinnati Demolition Disaster

At Heather's fancy sushi party, Gina and Emily investigate ajuicy rumor about Shannon and Heather's old friend, Nicole.While Shannon tries to shut down the rumor, Gina feelscompelled to reveal the truth, resulting in an explosivestring of arguments that shuts down Heather's party. After thedust settles, Shannon and Noella bond as Heather and herhusband Terry wonder about Shannon's intentions. Emily andShane discuss the role of faith in their marriage, while Dr.Jen and her husband Ryne explore their family dynamics. Feelingterrible about ruining Heather's party, Gina and Emily attemptto make amends.

Real Housewives of Miami star Larsa Pippen is here to spill thetea on the latest RHOM drama!Plus, Nick and a panel of menreveal what men are really thinking!

Rachael's holiday home décor: Vanessa Lachey ("NCIS: Hawai'i"and her new book); Rachael's pork Parmesan.

Chef Marcus Samuelsson ("A Seat at the Table"): "12 Days ofHolidays."

Watch What Happens Live 18x199 - TOM SANDOVAL and ARIANA MADIX

Actress Leah Remini is here to chat with Nick about her iconicrole in The King of Queens and her thoughts on a Saved by theBell reboot. A Nick Cannon Exclusive: A 9-year-old girl whofought off her mom's attacker in a parking lot shares herincredible story.

Actor Mike Birbiglia (Broadway's "The Old Man and the Pool":"A Man Called Otto"); "12 Days of.

Jordan Andino makes chicken adobo: top gift picks: gadgetguru Chi-Lan Lieu provides mom-approved gift ideas; Rachaelrolls up stuffed pasta.

Watch What Happens Live 18x198 - RACHEL HARGROVE and JESSICAALBERT

Below Deck 9x7 - Plenty of Jake to Go Around!

Beth has cooked a curry for Ian and Gordon's anniversary, butthere's no such thing as a quiet family meal, what with theneighbours inviting themselves over and completely hijackingthe occasion.

Mario Cantone gives Nick the inside scoop on returning to hisreprised role in the Sex and the City reboot. Dress like acelebrity this holiday season. Nick reveals looks for under0 for your holiday parties!

Actress Sally Field ("Spoiler Alert"): "12 Days of Holidays."

James Corden tells how he's gearing up for the holidays withhis family, what he's eating and what's up next on his show;Rachael makes green veggie tortilla soup.

Watch What Happens Live 18x197 - WHITNEY ROSE and JEREMY O.HARRIS

Reality Winner: Reality Winner, a former NSA contractorlinguist, tells Scott Pelley she leaked classified documentsto the media to honor her pledge of service to the Americanpeople. This is her first television interview since beingreleased from prison.China's Next Revolution?: President XiJinping rolls back some of the capitalist conventions that havemade China's the only global economy to rival the U.S. LesleyStahl reports.Gucci: Gucci creative director AlessandroMichele speaks with Sharyn Alfonsi about his provocativedesigns and why he likes ugly things.