What we're watching tonight:
- TNT (1080i) has NBA Playoffs action with 76ers/Heat at 7 p.m. and Pacers/Bulls at 9:30 p.m.
- Fox (720p) has House at 8 p.m. and The Chicago Code at 9 p.m.
- ABC (720p) has Dancing with the Stars at 8 p.m., Cougar Town at 9:31 p.m. and 20/20: William & Catherine at 10 p.m.
- CW (1080i) has 90210 at 8 p.m. and Gossip Girl at 9 p.m.
- NBC (1080i) has Chuck at 8 p.m., The Event at 9 p.m. and Law & Order:LA at 10 p.m.
- CBS (1080i) has How I Met Your Mother at 8 p.m., Mad Love at 8:30 p.m., Mike & Molly at 9 p.m. and Hawaii Five-O at 10 p.m.
- ABC Family (720p) has The Secret Life Of The American Teenager at 8 p.m. and Make It Or Break It at 9 p.m.
- Syfy (1080i) has Stargate Universe at 9 p.m. and the season premiere of Urban Legends at 10 p.m.
- A&E (720p) has Intervention at 8 p.m., Relapse at 9 p.m. and Paranormal State at 10 & 10:30 p.m.
- MTV (1080i) has The Hard Times of RJ Berger at 10 p.m. and Rob Dyrdek's Fantasy Factory at 10:30 p.m.
- Showtime (1080i) has Nurse Jackie at 10 p.m. and The United States of Tara at 10:30 p.m.
- TLC (1080i) presents Quints By Surprise at 9 p.m. and Kate Plus 8 at 10 p.m.
- Lifetime (1080i) presents William & Kate at 9 p.m.
- USA (1080i) has WWE Raw at 9 p.m.
- History (720p) has Pawn Star$ at 10 & 10:30 p.m.
- Versus (1080i) has NHL Playoffs action with Flyers/Sabres at 7 p.m. and Red Wings/Coyotes at 10:30 p.m.