Amazing Race 4 (7 p.m., Ch. 2): See accompanying story.
Friends (7 and 7:30 p.m., Ch. 5): A pair of repeats.
Stupid Behavior Caught on Tape (7 p.m., Ch. 13) and 30 Seconds to Fame (7:30 p.m., Ch. 13): Fox burns off some junk during the summer months.
NBA playoffs (7 p.m., TNT): Spurs at Mavericks
The O'Keefes (7:30 p.m., Ch. 30): Lauren runs for student-body president.
CSI (8: 30 p.m., Ch. 2): Grissom is drawn to a dominatrix who's a murder suspect in this 90-minute episode. (Repeat)
ER (9 p.m., Ch. 2): Gallant clashes with Pratt. (Repeat)