What we're watching tonight:
- NBC (1080i) lines up season finales of My Name is Earl at 8 p.m., The Office at 9 p.m. and E.R. at 10:01 p.m.
- CW (1080i) has season finales of Smallville at 8 p.m. and Supernatural at 9 p.m.
- ABC (720p) brings Ugly Betty at 8 p.m., Grey's Anatomy at 9 p.m. and Lost at 10 p.m.
- CBS (1080i) tosses in the season finale of CSI at 9 p.m., followed by the season finale of Without a Trace
- ESPN HD (720p) presents Game 6 of Hornets/Spurs at 9 p.m.
- ESPN2 HD (720p) features Real Salt Lake/Colorado Rapids MLS action at 9:30 p.m.
- Versus (1080i) brings Penguins/Flyers at 7:30 p.m.
- A&E (720p) has Crime 360 at 10 p.m.
- History (1080i) brings Tougher in Alaska at 10 p.m.