What we're watching tonight:
- CBS (1080i) has NFL preseason with Texans/Cowboys at 8 p.m.
- NBC (1080i) continues Olympics coverage with 4x100m relay finals, decathlon and men's 10m platform diving at 8 p.m.
- The CW (1080i) has WWE: Smackdown at 8 p.m.
- Discovery (1080i) presents the season premiere of Discovery Project Earth at 9 & 10 p.m.
- USA (1080i) lines up Monk at 9 p.m. and Psych at 10 o.m.
- TLC (1080i) brings What Not to Wear at 9 p.m. and the series premiere of Who Are You Wearing? at 10 p.m.
- ESPN HD (720p) features NASCAR Nationwide Series @ Bristol at 8 p.m.
- ESPN2 HD (720p) has U.S. Open Series Tennis at 7 p.m. and Friday Night Fights at 9 p.m.
- Sci Fi (1080i) has Stargate Atlantis at 10 p.m.