HDTV Listings for April 18, 2010

What we're watching tonight:

• Syfy (1080i) has Riverworld at 7 & 9 p.m.

• CBS (1080i) presents The 45th annual Academy of Country Music Awards at 8 p.m.

• Discovery (1080i) has the finale of Life at 8, 9 & 10 p.m.

• ABC Family (720p) airs Beauty and the Briefcase at 8 p.m.

• Fox (720p) has 'til Death at 7 p.m., The Simpsons at 8 p.m. and American Dad at 9:30 p.m.

• TLC (1080i) has Accidental Fortune at 8 p.m. and Hoarding: Buried Alive at 10 p.m.

• ABC (720p) has Desperate Housewives at 9 p.m. and Brothers & Sisters at 10 p.m.

• HBO (1080i) has The Pacific at 9 p.m. and Treme at 10 p.m.

• Showtime (1080i) has The Tudors at 9 p.m.

• Food (1080i) airs Food Network Challenge at 8 p.m., the season finale of Ultimate Recipe Showdown at 9 p.m. and Chefs vs. City at 10 p.m.

• History (720p) has the season finale of Ax Men at 10 p.m.

• A&E (720p) airs Gene Simmons' Family Jewels at 9 & 9:30 p.m. and Kirstie Alley's Big Life at 10 & 10:30 p.m.

• AMC (1080i) has Breaking Bad at 10 p.m.

• TNT (1080i) has NBA playofs action with Spurs/Mavericks at 8 p.m. and Blazers/Suns at 10:30 p.m.

• ESPN (720p) has Mets/Cardinals baseball at 8 p.m.

• ESPN2 (720p) has NHRA Nationals at 7 p.m.