What we're watching tonight:
- Fox (1080i) has Cops at 8 p.m.
- BBC America (1080i) airs the season premiere of Doctor Who at 9 p.m.
- CBS (1080i) has Strikeforce Saturday Night Fights at 9 p.m.
- Ion (1080i) has The Guard at 9 & 10 p.m.
- HBO (1080i) has 24/7: Mayweather/Mosley at 9:30 p.m. and Pavlik/Martinez boxing at 10 p.m.
- NBC (1080i) has Saturday Night Live with Ryan Phillippe / Ke$ha at 11;29 p.m.
- Travel (1080i) has America's Worst Driver at 10 p.m.
- ESPN (720p) has NBA playoffs action with Heat/Celtics at 8 p.m. and Jazz/Nuggets at 10:30 p.m.
- Speed (720p) has American Le Mans Series @ Long Beach at 8 p.m.