What we're watching tonight:
- NBC (1080i) has the season finale of Chuck at 8 p.m. followed by the season finale of Heroes at 9 p.m. and Medium at 10 p.m.
- Fox (720p) has House at 8 p.m. and 24 at 9 p.m.
- CW (1080i) brings Gossip Girl at 8 p.m. and One Tree Hill at 9 p.m.
- ABC Family (720p) has Greek at 8 p.m. followed by Roommates at 9 , 9:30, 10 & 10:30 p.m.
- CBS (1080i) has The Big Bang Theory at 8 p.m., followed by How I Met Your Mother, Two and a Half Men, Rules of Engagement, and CSI: Miami at 10 p.m.
- TLC (1080i) brings Little People, Big World at 8 & 8:30 p.m., then Table for 12 at 9 p.m.
- CBS (1080i) has Rules of Engagement at 9:30 p.m.
- Discovery (1080i) has Belly of the Beast at 9 p.m. and Doing Da Vinci at 10 p.m.
- ABC (720p) has Dancing With the Stars at 8 p.m., Surviving Suburbia at 9:32 p.m. and Castle at 10:02 p.m.
- Travel (1080i) has Dhani Tackles the Globe at 9 p.m.
- USA (1080i) has WWE: Raw at 9 p.m..
- History (720p) brings Ax Men at 10 p.m.
- HBO (1080i) airs In Treatment at 9, 9:30 & 10 p.m.
- ESPN (720p) has baseball with Cardinals/Braves at 7 p.m.
- Versus (1080i) has Blackhawks/Flames at 9:30 p.m. followed by Sharks/Ducks
- TNT (1080i) has Hawks/Heat at 8 p.m. and Jazz/Lakers at 10:30 p.m