HDTV Listings for May 21, 2010

What we're watching tonight:

• CBS (1080i) has the season finales of Ghost Whisperer at 8 p.m. and Medium at 9 p.m. then Miami Medical at 10 p.m.

• NBC (1080i) has Friday Night Lights at 8 p.m.

• MyNetworkTV (720p) has WWE Smackdown at 8 p.m.

• HBO (1080i) has the season finale of The Ricky Gervais Show at 9 p.m. and Real Time with Bill Maher at 10 p.m.

• Starz (1080i) has Party Down at 10 p.m. and Gravity at 10:30 p.m.

• Syfy (1080i) airs Stargate Universe at 9 p.m. and Merlin at 10 p.m.

• TLC (1080i) has Say Yes to the Dress at 9 p.m.

• Food (1080i) has the season finale of The Private Chefs of Beverly Hills at 10 p.m.

• Versus (1080i) has Sharks/Blackhawks playoffs hockey at 8 p.m.

• NFL Network (1080i) has Rattlers/Barnstormers arena league football at 8 p.m.

• ESPN (720p) has Jacksonville State/Georgia Tech softball regionals at 8 p.m.