What we're watching tonight:
Fox (720p) lines up House at 8 p.m. and Lie to Me at 9 p.m
CBS (1080i) has How I Met Your Mother at 8 p.m., Accidentally On Purpose at 8:30 p.m., Two and a Half Men at 9 p.m., The Big Bang Theory at 9:30 p.m. and CSI: Miami at 10 p.m
ABC (720p) has Dancing with the Stars at 8 p.m. and Castle at 10:01 p.m.
NBC (1080i) has Heroes at 8 p.m. and Trauma at 9 p.m.
CW (1080i) brings One Tree Hill at 8 p.m. and Gossip Girl at 9 p.m.
ABC Family (720p) has Lincoln Heights at 8 p.m. and Greek at 9 p.m.
USA (1080i) has WWE: Raw at 9 p.m.
TLC (1080i) brings Little People, Big World at 8 & 8:30 p.m., Jon & Kate Plus 8 at 9 p.m. and Ultimate Cake Off at 10 p.m.
HBO (1080i) presents Schmatta: Rags to Riches to Rags at 9 p.m.
ESPN (720p) presents Broncos/Chargers Monday Night Football at 8:30 p.m.
TBS (1080i) has Dodgers/Phillies NLCS Game 4 at 8 p.m.
Versus (1080i) airs Sharks/Rangers hockey at 7 p.m.