"2012 Summer Olympic Games" 7 p.m. to 11 p.m., NBC (New)
Two relay races (men's 4x400-meter and women's 4x400-meter) highlight the events tonight in track and field. Also tonight: BMX finals and men's platform diving qualifying rounds.
"Rock Star" 7 p.m. to 9:30 p.m., VH1 (2001)
A singer (Mark Wahlberg) in a heavy-metal tribute band joins the group he covers and gets caught up in the fast-moving world of rock 'n' roll. Jennifer Aniston also stars as the love interest.
"You Can't Take It With You" 7 p.m. to 9:15 p.m., TCM (1938)
This romantic comedy won best picture in 1939 for its story about a man from a family of rich snobs who becomes engaged to a woman from a good-natured, but decidedly eccentric, family. James Stewart stars, Frank Capra directs.
"Hondo" 7 p.m. to 9 p.m., AMC (1953)
John Wayne stars as Army despatch rider Hondo Lane, who discovers a woman and her son living in the midst of warring Apaches and becomes their protector.