The Ellen DeGeneres Show
(3 p.m., NBC10) - Comic Tina Fey; Mike Posner performs.
How I Met Your Mother (8 p.m., CBS3) - Singer Katy Perry guest-stars as Zoey's cousin, whom the gang dubs Honey after it becomes clear what an innocent she is.
MasterChef (8 p.m., Fox29) - Amateur chefs compete for the title of MasterChef under the eye of intimidating chef Gordon Ramsay.
Last Man Standing (8 p.m., LIFE) - A former special-ops agent, now a wife and mother, takes action when her husband is kidnapped.
WWE Tough Enough (8 p.m., USA) - Stone Cold Steve Austin crowns the champion.
Switched at Birth (9 p.m., FAM) - Two teenage girls, one of them deaf, discover that they went home from the hospital with the wrong parents.
Hawaii Five-0 (10 p.m., CBS3) - A high-speed chase ends in a grisly discovery.
The Daily Show With Jon Stewart (11 p.m., COM) - Journalist Maziar Barhari.
Conan (11 p.m., TBS) - Rapper Ice-T; Breckin Meyer; Flogging Molly performs.
The Colbert Report (11:31 p.m., COM) - Filmmaker Werner Herzog.
Late Show With David Letterman (11:35 p.m., CBS3) - Meredith Vieira; Dan Wheldon; Anton Fig performs.
The Tonight Show With Jay Leno (11:35 p.m., NBC10) - Katie Couric; Cee Lo Green.
Jimmy Kimmel Live (Midnight, 6ABC) - Wanda Sykes; Ashley Hebert; Foster the People.
Lopez Tonight (Midnight, TBS) - Actor David Arquette; LMFAO performs.
The Late Late Show With Craig Ferguson (12:37 a.m., CBS3) - Actor Don Cheadle; actress Brooklyn Decker.
Late Night With Jimmy Fallon (12:37 a.m., NBC10) - Kathie Lee Gifford; Jason Earles; Mogwai performs; Zakk Wylde performs with the Roots.