8 p.m., CBSMark Harmon) works with Fornell (Joe Spano) to investigate the murder of a polygraph specialist with an apparently deadly second job.
8 p.m., CWJessica Stroup) meets Teddy's (Trevor Donovan) movie-star dad (guest star Ryan O'Neal)—and Liam (Matt Lanter) tries to reconnect with his own father. Did someone say "daddy issues"?
9 p.m., FOXKristin Chenoweth reprises her role as April Rhodes, whom Will (Matthew Morrison) asks for help in finding a rehearsal space for New Directions. Plus, Kurt (Chris Colfer) fixes up his dad (guest star Mike O'Malley) on a date.
10 p.m., NBCMonica Potter) decides to return to work, leaving Adam (Peter Krause) to take care of the kids; Sarah (Lauren Graham) runs into her ex while attending a college fair with Amber (Mae Whitman); and Crosby (Dax Shepard) and Jasmine (Joy Bryant) go on a date.
12 a.m., ABCDominic Monaghan from Lost and FlashForward.
Also on the airwaves...
Dancing with the Stars, 8 p.m., ABC
American Idol, 8 p.m., FOX
The Biggest Loser, 8 p.m., NBC
NCIS: Los Angeles, 9 p.m., CBS
V, 10 p.m., ABC
The Good Wife, 10 p.m., CBS
Justified, 10 p.m., FX
Law and Order: Criminal Intent, 10 p.m., USA
NBA Basketball Playoffs: Bulls v. Cavaliers, Thunder v. Lakers
What are you watching tonight?