Summer Olympics: NBC (Ch. 5) has coverage from 10 a.m.-1 p.m., 7-11 p.m. and 11:35-1 a.m.; CNBC from 3-6 p.m. and 10 p.m.-midnight.; MSNBC from 7 a.m.-3 p.m. and 6-8 a.m.; Oxygen from 7-9 p.m.; and USA from 7-10 a.m., and midnight-7 a.m.

Prep football (4:30 p.m., Ch. 14): Northridge at Jordan

Stargate Atlantis (8 and 10 p.m., Sci Fi): McKay is losing his memory.

20/20 (9 p.m., Ch. 4): Baby-related reports include efforts to reduce infant mortality; a program to help young pregnant women; and dealing with premature births.

Monk (10 p.m., USA): Monk falls in love with a model.

Psych (11 p.m., USA): There's a murder on an offshore oil rig.