What we're watching tonight:
- ABC (720p) has the season premiere of Dancing with the Stars at 8 p.m. and Castle at 10 p.m.
- CBS (1080i) has How I Met Your Mother at 8 p.m., Rules of Engagement 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.
- ABC Family (720p) has the season finale of The Secret Life of the American Teenager at 8 p.m. and Greek at 10 p.m.
- NBC (1080i) has Chuck at 8 p.m., Trauma at 9 p.m. and Law & Order at 10 p.m.
- FX (720p) has Damages at 10 p.m.
- Fox (720p) brings 24 at 9 p.m.
- CW (1080i) lines up Life Unexpected at 8 p.m. and Gossip Girl at 9 p.m.
- USA (1080i) has WWE: Raw at 9 p.m.
- Spike (1080i) has TNA: Impact! at 9 p.m.
- Showtime (1080i) has the season premieres of Nurse Jackie at 10 p.m. and The United States of Tara at 10:30 p.m.
- TLC (1080i) has the season finale of Ultimate Cake Off at 9 p.m.
- Travel (1080i) has Anthony Bourdain: No Reservations at 10 p.m.
- ESPN (720p) has NIT action with Connecticut/Virginia Tech at 7 p.m. and Dayton/Cincinnati at 9 p.m.
- EPSN2 (720p) has Women's NCAA tournament action at 7 & 9 p.m.
- TNT (1080i) has Magic/76ers at 7 p.m.
- Versus (1080i) has Penguins/Red Wings hockey at 7 p.m.