HDTV Listings for May 20, 2010

What we're watching tonight:

• Fox (720p) has the season finales of Bones at 8 p.m. and Fringe at 9 p.m.

• NBC (1080i) airs the season finales of Community at 8 p.m., Parks & Recreation at 8:30 p.m., The Office 9 p.m. 30 Rock at 9:30 p.m., and The Marriage Ref at 10 p.m.

• WGN (1080i) has WWE Superstars at 8 p.m.

• CBS (1080i) has the season finales of CSI at 9 p.m. and The Mentalist at 10 p.m.

• ABC (720p) brings FlashForward at 8 p.m., and the season finale of Grey's Anatomy at 9 p.m.

• History (720p) has Modern Marvels at 9 p.m. and Sliced at 10 & 10:30 p.m.

• TLC (1080i) has The Imploders at 9 p.m. and Heavy Haulers at 10 p.m.

• Travel (1080i) has Samantha Brown's Great Weekends at 10:30 p.m.

• ESPN2 (720p) has Crew/Red Bulls MLS action at 8 p.m.

• Versus (1080i) has Flyers/Canadiens NHL playoffs action at 7 p.m.