What we're watching tonight:
- NBC (1080i) has Mercy at 8 p.m. and Law & Order: SVU at 10 p.m.
- Fox (720p) has Human Target at 8 p.m. and American Idol at 9 p.m.
- ABC (720p) airs The Middle at 8:30 p.m., Modern Family at 9 p.m., Cougar Town at 9:30 p.m. and Ugly Betty at 10 p.m.
- Comedy Central (1080i) has South Park at 10 p.m. and Ugly Americans at 10:30 p.m.
- Discovery (1080i) has the season premiere of Mythbusters at 9 p.m. and the series premiere of Is It Possible at 10 p.m.
- TLC (1080i) brings Addicted at 10 p.m.
- CW (1080i) has the series premiere of Fly Girls at 9 p.m. and High Society at 9:30 p.m.
- Syfy (1080i) has Ghost Hunters at 9 p.m. and Destination Truth at 10 p.m.
- History (720p) has MonsterQuest at 9 p.m.
- DirecTV (1080i) has Underbelly at 10 p.m.
- Brave (1080i) has Shear Genius at 10 p.m.
- A&E (720p) has Dog the Bounty Hunter at 10 p.m. and Billy the Exterminator at 10:30 p.m.