HDTV Listings for April 21, 2011

What we're watching tonight:

• Fox (720p) has American Idol at 8 p.m. and Bones at 9 p.m.

• NBC (1080i) has Community at 8 p.m., The Paul Reiser Show at 8:30 p.m., The Office at 9 p.m., Parks & Recreation at 9:30 p.m., 30 Rock at 10 p.m. and Outsourced at 10:30 p.m.

• CW (1080i) has The Vampire Diaries at 8 p.m. and Nikita at 9 p.m.

• TLC (1080i) has Police Women at 9 p.m. and Ultimate Cleaners at 10 & 10:30 p.m.

• Spike (1080i) has TNA: Impact at 9 p.m.

• FX (720p) has the season finale of Archer at 10 p.m.

• Showtime (1080i) has The Secret Diary of A Call Girl at 10:30 p.m. and Gigolos at 11 p.m.

• History (720p) has Swamp People at 9 p.m. and Mounted in Alaska at 10 & 10:30 p.m.

• Travel (1080i) has Triple Rush at 10 p.m.

• Food (1080i) has the season premiere of 24 Hour Restaurant Battle at 10 p.m.

• TNT (1080i) has NBA Playoffs action with Heat/76ers at 8 p.m. and Mavericks/Trail Blazers at 10:30 p.m.

• NBA TV (1080i) has NBA Playoffs action with Bulls/Pacers at 7 p.m.

• Versus (1080i) has NHL Playoffs action with Bruins/Canadiens at 7 p.m. and Blackhawks/Canucks at 10 p.m.