TV Today

The Ellen DeGeneres Show

(3 p.m., NBC10) - Jimmy Fallon; Kendra Wilkinson.

How I Met Your Mother (8 p.m., CBS3) - Barney declares Feb. 13 its own holiday: Desperation Day.

The Bachelorette (8 p.m., 6ABC) - Ashley and the guys visit Thailand, where they help renovate an orphanage.

90210 (8 p.m., CW57) - Naomi, Silver and Adrianna have a plan to help prove that Mr. Cannon raped Naomi.

Nora Roberts' Carnal Innocence (8 p.m., LIFE) - A famous violinist retreats to her small Southern town only to confront a serial killer.

Two and a Half Men (9 p.m., CBS3) - Although he's moved in with Lyndsey, Alan continues to rendezvous with Melissa at Charlie's house.

Mike & Molly (9:30 p.m., CBS3) - Peggy asks Molly to take care of her dog while she's having surgery.

Hawaii Five-0 (10 p.m., CBS3) - McGarrett & Co. head into the jungle to try to protect a witness from assassins.

Conan (11 p.m., TBS) - Noah Wyle; Riley Griffiths; Anthony Jeselnik.

Late Show With David Letterman (11:35 p.m., CBS3) - Adm. Michael Mullen; Betty White; Black Joe Lewis & the Honeybears.

The Tonight Show With Jay Leno (11:35 p.m., NBC10) - Jason Sudeikis; Adam Levine; Ziggy Marley.

Jimmy Kimmel Live (midnight, 6ABC) - Paris Hilton; Sukanya Roy, spelling bee champion; Sara Bareilles performs.

Lopez Tonight (midnight, TBS) - Adam Carolla; Mary Murphy; Hart Main; Marc Broussard.

The Late Late Show With Craig Ferguson (12:35 a.m., CBS3) - Kristen Bell; Jason Aldean performs.

Late Night With Jimmy Fallon (12:35 a.m., NBC10) - Jada Pinkett Smith; Simon Pegg; Givers; Ledisi.