NBC (1080i) has the series premiere of Who Do You Think You Are? at 8 p.m.
MyNetworkTV (720p) has WWE SmackDown at 8 p.m.
CBS (1080i) brings Medium at 9 p.m. and Numb3rs at 10 p.m.
Syfy (1080i) has Caprica at 9 p.m.
History (720p) has Gangland at 9 p.m.
Discovery (1080i) brings American Loggers at 10 p.m.
TLC (1080i) airs What Not to Wear at 9 p.m. and Four Weddings at 10 p.m.
Starz (1080i) has Spartacus: Blood & Sand at 10 p.m.
Food (1080i) has The Best Thing I Ever Ate at 10 p.m.
HBO (1080i) brings 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.
ESPN (720p) has an NBA doubleheader with Pistons/Cavaliers at 7 p.m. and Spurs /Hornets at 10:30 p.m.
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