What we're watching tonight:
- CBS (1080i) has NCAA basketball championship Sweet Sixteen action at 7 p.m.
- NBC (1080i) has Who Do You Think You Are? at 8 p.m.
- MyNetworkTV (720p) has WWE SmackDown at 8 p.m.
- Syfy (1080i) has the winter finale of Caprica at 9 p.m.
- Starz (1080i) has Spartacus: Blood & Sand at 10 p.m
- HBO (1080i) has The Ricky Gervais Show at 9 p.m., The Life and Times of Tim at 9:30 p.m., Real Time with Bill Maher at 10 p.m. and Funny or Die Presents at 11:59 p.m.
- Discovery (1080i) has American Loggers at 10 p.m
- Food (1080i) has the season finale of The Best Thing I Ever Ate at 10 p.m.
- TLC (1080i) presents Top Yam: The Louisiana Yambilee Queen Pageant at 10 p.m.