HDTV Listings for June 22, 2008

What we're watching tonight:

• Discovery (1080i) airs all the When We Left Earth: The NASA Missions segments beginning at 5 p.m., with the last installment starting at 9 p.m.

• NBC (1080i) features the U.S. Olympic Gymnastic Trials at 7 p.m.

• Sci Fi (1080i) has 100 Million B.C. at 9 p.m.

• USA (1080i) brings Law & Order: CI at 9 p.m. followed by In Plain Sight

• History (1080i) lines up Ice Road Truckers at 9 p.m. followed by Surviving History

• A&E (720p) doubles up with two episodes each of Gene Simmons' Family Jewels at 9 & 9:30 p.m. and The Two Corey's at 10 & 10:30 p.m.

• Food (1080i) has The Next Food Network Star at 10 p.m.

• HBO (1080i) premieres Harry Potter and the Order of the Phoenix at 9 p.m.

• Showtime (1080i) premieres I Can't Believe I'm Still Single From Portland to Portland at 11:30 p.m.