HDTV Listings for April 21, 2009

What we're watching tonight:

• CW (1080i) has Reaper at 8 p.m. and 90210 at 9 p.m.
  

• Fox (720p) has American Idol at 8 p.m and Fringe at 9:01 p.m.
  

• TBS (1080i) brings My Boys at 10:30 p.m.
  

• ABC (720p) has According to Jim at 8 & 8:30 p.m. Dancing With the Stars at 9 p.m. and The Unusuals at 10:02 p.m.
  

• CBS (1080i) has Without a Trace at 10 p.m.
  

• Sci Fi (1080i) presents ECW at 9 p.m. and WCG Ultimate Gamer at 10 p.m.

• History (720p) has How the Earth Was Made at 9 p.m. and Life After People at 10 p.m.
  

• FX (720p) has Rescue Me at 10 p.m.
  

• Discovery (1080i) has Deadliest Catch at 9 p.m. and The Alaska Experiment at 10 p.m.

• TNT (1080i) doubles up on NBA Playoffs action with Pistons/Cavaliers at 8 p.m. and Jazz/Lakers at 10:30 p.m.

• Versus (1080i) airs Penguins/Flyers at 7 p.m. followed by Canucks/Blues and Sharks/Ducks at 10:30 p.m.

• NBA TV (1080i) has Rockets/Blazers at 10 p.m.