What we're watching tonight:
- CW (1080i) has the season premieres of Smallville at 8 p.m. and Supernatural at 9 p.m
- Discovery (1080i) lines up NextWorld at 8 p.m., Destroyed in Seconds at 9 p.m. and Smash Lab at 10 p.m.
- TLC (1080i) has American Chopper at 8 p.m.
- FX (720p) brings the season premiere of It's Always Sunny in Philadelphia at 10 & 10:30 p.m.
- A&E (720p) has Jacked: Auto Theft Task Force at 10 p.m.
- USA (1080i) drops in the summer finale of Burn Notice at 10 p.m.
- CBS (1080i) has Flashpoint at 10 p.m.
- Showtime (1080i) has Comics Without Borders at 10 p.m.
- ESPN HD (720p) has West Virginia/Colorado college football at 8:30 p.m.
- ESPNU HD (720p) brings Arkansas-Pine Bluff/Alcorn State college football at 8:30 p.m.