What we're watching tonight:
- NBC (1080i) has My Name is Earl at 8 p.m., Parks & Recreation at 8:30 p.m., The Office at 9 p.m., 30 Rock at 9:30 p.m. and Southland at 10 p.m.
- ABC (720p) has Ugly Betty at 8 p.m., followed by the 100th episode of Grey's Anatomy at 9 p.m. and the special Michael J. Fox: Adventures of an Incurable Optimist at 10:01 p.m.
- CBS (1080i) has Survivor at 8 p.m., CSI at 9 p.m. and Harper's Island at 10 p.m.
- CW (1080i) has Smallville at 8 p.m. and Supernatural at 9 p.m.
- Fox (720p) has Bones at 8 p.m.
- Spike (1080i) has TNA: Impact! at 9 p.m.
- History (720p) has Warriors at 10 p.m.
- TLC (1080i) has American Chopper at 9 p.m. and the season finale of Heli-Loggers at 10 p.m.
- ESPN (720p) airs Hawks/Cavaliers NBA Playoffs action at 8 p.m.
- Versus (1080i) has NHL Playoffs action with Vancouver/Chicago at 8 p.m. and Detroit/Anaheim at 10:30 p.m.