What we're watching tonight:
- Fox (720p) has a night NASCAR race with the Darlington 500 at 7 p.m.
- ABC (720p) brings the NBA Playoffs with Celtics/Cavs at 8 p.m.
- TLC (1080i) has Flip That House at 8 p.m., followed by Date My House and Moving Up
- A&E (720p) has Flip This House at 11 p.m.
- Sci Fi (1080i) premieres Aztec Rex at 9 p.m.
- Cinemax (1080i) premieres Transformers at 10 p.m.