What we're watching tonight:
- CBS (1080i) unloads the season finales of Ghost Whisperer at 8 p.m., Moonlight and Numb3rs
- ESPN HD (720p) has Game 6's of Celtics/Cavs at 8 p.m. followed by Lakers/Jazz
- Sci Fi (1080i) brings Battlestar Galactica at 10 p.m.
- CW (1080i) has WWE Smackdown at 8 p.m.
- Discovery (1080i) presents Man vs. Wild at 9 p.m.
- History (1080i) has Shockwave at 10 p.m.