What to Watch Monday: 90210 Hits 100, Castle's Christmas, Hawaii Five-0's Sexy Secret and More

902-100On TV this Monday: 90210 shimmies its way to a milestone, Castle investigates Santa’s slay(ing), Blake Shelton heads up a Not-So-Family Christmas and Hawaii Five-0 is on model behavior when a Victoria’s Secret catwalker is in town. As a supplement to TVLine’s original features (linked within), here are 10 programs to keep on your radar.

PREVIEW | Bones Exclusive Video and Photos: Cyndi Lauper Returns for Twisty 150th Episode

8 pm 90210 (The CW) | In the series’ 100th episode (somewhere, Fringe winces), Naomi hosts a high-end charity lingerie show at the Playboy Mansion to gain entrée into the elite West Beverly alumni group – and Silver performs burlesque at said event. Speaking of buxom babes, Denise Richards (Two and a Half Men) and Carmen Electra (Baywatch) are on hand for the festivities.

8 pm How I Met Your Mother (CBS) | Robin is determined to get Barney back no matter what it takes; Ted fills in as Marvin’s nanny.

PREVIEW | Gossip Girl Sneak Peek: Serena and Dan Host a Dysfunctional Thanksgiving

9 pm The Mob Doctor (Fox) | Michael Madsen (Reservoir Dogs) guest-stars as a master thief who shows up in Chicago for a big heist but soon finds himself in Grace’s care and in need of emergency surgery.

9 pm Top Gear (BBC America) | In this first of four season-in-review episodes, the car-obsessed hosts travel to Italy to find the world’s best hatchback.

9 pm The Mayan Apocalypse 2012 (NatGeo) | As if one impending December deadline weren’t enough…

9 pm 2 Broke Girls (CBS) | Max and Caroline hire an intern (Saturday Night Live alum Abby Elliott) to do some undesirable tasks in preparation for opening their new cupcake shop.

RELATED | Scoop on Castle‘s Christmas Episode, Once Upon a Time, Mentalist, S.H.I.E.L.D. and More

10 pm Castle (ABC) | At long last, the answer to Ask Ausiello’s Christmas-themed Castle quiz! A bearded fat man in a red suit falls from the sky in Central Park, so Castle and Beckett have to figure out who might’ve wanted this Kris Kringle dead. (Check out preview photos!)

10 pm Hawaii Five-0 (CBS) | A stalker goes after a Victoria’s Secret model (Behati Prinsloo), so Danny has to protect her. (Tough gig.) Rumer Willis (90210) and C. Thomas Howell (Southland) also guest-star.

10 pm Blake Shelton’s Not-So-Family Christmas (NBC) | The country crooner presides over a special full of holiday music, comedy bits and guest-stars (including fellow Voice coach Christina Aguilera, The Tonight Show‘s Jay Leno and Malibu Country‘s Reba).

10 pm Hotel Impossible (Travel) | Season 2 premiere: Anthony Melchiorri returns to help a new batch of struggling hotels pull themselves together.

Hit the comments with your must-see picks from tonight’s lineup!