What we're watching tonight:
- 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.
- Fox (720p) brings House at 8 p.m. and Lie to Me at 9 p.m.
- NBC (1080i) airs Heroes at 8 p.m. and Trauma at 9 p.m.
- ABC (720p) has Dancing with the Stars at 8 p.m. and Castle at 10:01 p.m.
- ABC Family (720p) has the season finale of Lincoln Heights at 8 p.m.
- CW (1080i) airs One Tree Hill at 8 p.m. and Gossip Girl at 9 p.m.
- USA (1080i) has WWE: Raw at 9 p.m.
- TLC (1080i) has Little People, Big World at 8 & 8:30 p.m., Jon & Kate Plus 8 at 9 p.m. and Cake Boss at 10 & 10:30 p.m.
- ESPN (720p) has Steelers/Broncos Monday Night Football at 8:30 p.m.