8 p.m., CBSTim Gunn, Stacy Keibler, and Rachel Bilson (who could be The Mother!). Plus, there's a suit-filled musical number. It's going to be... well, you know.
9 p.m., FOXFringe-y.
10 p.m., ABCCastle (Nathan Fillion) discovers that the bride (guest star Alyssa Milano) is his ex-girlfriend... and Beckett (Stana Katic) gets a little jealous.
Season 1 finale, 10 p.m., BRAVO
11 p.m., COMEDYcontroversial Berkeley law professor John Yoo, who assisted the Bush Administration in legally justifying torture. Is it time for another Cramer-style beatdown?
Also on the airwaves...
The Bachelor, 8 p.m., ABC
House, 8 p.m., FOX
Chuck, 8 p.m., NBC
The Secret Life of the American Teenager, 8 p.m., ABC Family
Accidentally on Purpose, 8:30 p.m., CBS
Two and a Half Men, 9 p.m., CBS
Heroes, 9 p.m., NBC
Intervention, 9 p.m., A&E;
Make It or Break It, 9 p.m., ABC Family
Cake Boss, 9 p.m., TLC
The Big Bang Theory, 9:30 p.m., CBS
CSI: Miami, 10 p.m., CBS
Hoarders, 10 p.m., A&E;
Men of a Certain Age, 10 p.m., TNT
NCAA Men's Basketball: Oklahoma State v. Oklahoma, Arkansas-Pine Bluff v. Alabama State, Morgan State v. Hampton, Villanova v. Louisville
NCAA Women's Basketball: Maryland v. Virginia
What are you watching tonight?