What we're watching tonight:
- ABC (720p) brings Game 3 of the Celtics/Lakers NBA Finals at 9 p.m.
- Discovery (1080i) has Deadliest Catch at 9 p.m., and the season finale of The Alaska Experiment at 10 p.m.
- History (1080i) has Mega Disasters at 10 p.m.
- HDNet Movies (1080i) premieres Masked and Anonymous at 8:05 p.m.
- ESPN HD (720p) has the Jim Mckay Tribute Show at 9 p.m.