What we're watching tonight:
- CBS (1080i) lines up season premieres with The Big Bang Theory at 8 p.m., How I Met Your Mother at 8:30 p.m., Two and a Half Men at 9 p.m., Worst Week (series premiere) at 9:30 p.m. and CSI: Miami at 10 p.m.
- ABC (720p) has the season premieres of Dancing with the Stars at 8 p.m. and Boston Legal at 10 p.m.
- CW (1080i) has Gossip Girl at 8 p.m. and One Tree Hill at 9 p.m.
- NBC (1080i) drops in Heroes: Countdown to the Premiere at 8 p.m. and the season premiere of Heroes at 9 p.m.
- Fox (720p) lines up Terminator: The Sarah Connor Chronicles at 8 p.m. and Prison Break at 9 p.m.
- ESPN (720p) brings Monday Night Football with Jets/Chargers at 8:30 p.m.
- USA (1080i) has WWE: Raw at 9 p.m.
- Discovery (1080i) has into the Unknown with Josh Bernstein at 10 p.m.
- TNT (1080i) continues Raising the Bar at 10 p.m.
- Mojo HD (1080i) has the season premiere of Pressure Cook at 9 p.m.