Michael Phelps begins his quest for eight golds.(Mark Dadswell / Getty Images)

STAR ATTRACTIONS: Swimmer Michael Phelps will begin his quest for a record eight gold medal in the 400-meter Individual Medley. Former UConn star Sue Bird leads the Americans in their journey for gold on the basketball court.

TV SCHEDULE:

NBC and NBC HD
10 a.m.-6 p.m. -- Women's Volleyball - USA vs. Japan (LIVE); Swimming; Beach Volleyball - USA Match; Men's Cycling - Road Race; Women's Fencing - Individual Sabre Gold Medal Final; Rowing;

8 p.m.-Midnight -- Swimming (LIVE): Gold Medal Finals: Men's 400-meter Freestyle, 400-meter Individual Medley; Women's 400-meter Individual Medley, 4x100-meter Freestyle Relay; Men's 100 breaststroke semifinals (LIVE); Women's 100-meter Butterfly semifinals (LIVE); Beach Volleyball - USA Match (LIVE); Men's Gymnastics Team Competition

12:30-2 a.m. -- Men's Volleyball - USA vs. Venezuela (LIVE)

USA and USA HD
2 a.m.-2 p.m. -- Women's Soccer - USA vs. Japan (LIVE) and Canada vs. China; Women's Basketball - USA vs. Czech Republic (LIVE); Equestrian - Eventing Dressage; Beach Volleyball; Women's Fencing - Individual Sabre Gold Medal Final; Women's Shooting - Air Rifle Gold Medal Final; Badminton Singles Competition; Women's Weightlifting - Flyweight Gold Medal Final

CNBC and CNBC HD
2-4:30 a.m. -- Boxing 75kg, 81kg Competition (LIVE)

5-8 p.m. -- Boxing 75kg, 81kg Competition

MSNBC
5 a.m.-5 p.m. -- Women's Soccer - Nigeria vs. Germany (LIVE) and Brazil vs. North Korea (LIVE); Women's Volleyball - Italy vs. Russia and Poland vs. Cuba; Women's Handball - France vs. Angola and Russia vs. South Korea; Badminton Singles Competition

TELEMUNDO
7:30 a.m.-2 p.m. -- Women's Soccer - USA vs. Japan (LIVE); Beach Volleyball; Boxing; Women's Volleyball

6-8 p.m. -- Beach Volleyball; Boxing; Midnight-1 a.m. -- TBA

NBC OLYMPIC BASKETBALL CHANNEL
2:30 a.m.-2:30 p.m. -- Women's games

NBC OLYMPIC SOCCER CHANNEL
5 a.m.-5 p.m. -- Women's games