What we're watching tonight:
- CW (1080i) airs 90210 at 8 p.m. and Privileged at 9 p.m.
- Fox (720p) brings American Idol at 8 p.m. followed by Fringe
- CBS (1080i) lines up NCIS at 8 p.m. followed by The Mentalist and Without a Trace
- USA (1080i) has the 133rd Westminster Kennel Club Dog Show at 8 p.m.
- ABC (720p) has Scrubs at 9 & 9:30 p.m.
- Sci Fi (1080i) presents ECW at 9 p.m.
- History (720p) has the series premiere of How the Earth Was Made at 9 p.m.
- Discovery (1080i) brings Dirty Jobs at 9 p.m. and Wreckreation Nation at 10 p.m.
- TNT (1080i) airs Leverage at 10 p.m.
- A&E (720p) has Manhunters at 10 p.m.
- FX (720p) has Nip/Tuck at 10 p.m.
- Versus (1080i) has Sharks/Bruins NHL action at 7 p.m.
- ESPN (720p) has college basketball with Michigan State/Michigan at 7 p.m. followed by Florida/Kentucky at 9 p.m.