Michael Phelps goes for his third straight 200m butterfly gold medal Tuesday night on NBC

Michael Phelps-Ryan Lochte expected in 4x200 meter freestyle relay final in primetime on NBC

Women's gymnastics team gold medal final on NBC primetime

Team USA women's soccer live on NBC Sports Network

Michael Phelps looks to claim his third straight 200 meter butterfly gold medal, his 18^th medal overall - tying the record for the most career Olympic medals - Tuesday on NBC in primetime. Phelps won gold in both Athens and Beijing in the 200m butterfly. Tuesday will be Phelps' busiest day as he also is expected to swim the final for the 4x200m freestyle relay with teammate Ryan Lochte.

Also in primetime, the reigning world champion U.S. women's gymnastics team, featuringGabby Douglas, McKayla Maroney, Alexandra Raisman, Kyla Ross and Jordyn Wieber, also known as the "Fab Five," look to win the gold over Russia, Romania and China.

On NBC in daytime, defending Olympic champions Todd Rogers and Phil Dalhausser compete against Pablo Herrera and Adrian Gavira of Spain LIVE on NBC at 4 p.m.

Live on NBC Sports Network at 12:15 p.m. on NBC Sports Network, Team USA women's soccer takes on North Korea at Old Trafford, home of Manchester United, live on NBC Sports Network.

All of the events mentioned above, and all other events will be live streamed onNBCOlympics.com and the NBC Olympics Live Extra app, available on mobile devices and tablets. The vast majority of live stream content will only be available to authenticated cable, satellite or telco customers.

For more information on live streaming, go to: NBCOlympics.com/LiveExtra

For the full schedule of NBCUniversal's Olympic coverage, go to: NBCOlympics.com

Listings subject to change (all times ET unless otherwise noted). Changes are italicized.

TUESDAY, JULY 31 (Day 4)

NBC

10 a.m. - 5 p.m.

Swimming - Qualifying Heats

Men's Beach Volleyball - Rogers/Dalhausser (U.S.) vs. Herrera/Gavira (Spain) (LIVE)

Men's Volleyball - U.S. vs. Germany (LIVE)

Men's Water Polo - U.S. vs. Romania (LIVE)

Men's Canoeing - Whitewater, C-1 Gold Medal Final (LIVE)

Rowing - Semifinals

•Qualifying in swimming's 4x200m freestyle relay, an event in which the U.S., led by Michael Phelpsand Ryan Lochte is the gold medal favorite.

•Live coverage of the U.S. men's volleyball team against Germany. The American men won their first Olympic gold in 20 years in Beijing and have been surging recently as they look to repeat as Olympic champions.

•Live coverage of the U.S. men's water polo team against Romania. The U.S. men earned a surprise silver in Beijing, but are focused on gold in London. Led by captainTony Azevedo, the team sacrificed hundreds of thousands of dollars collectively by not playing professionally overseas this year to train together for the Olympics.

•Plus, live coverage of beach volleyball, always one of the most electric sports of the Games, from the heart of ceremonial London, at Horse Guards Parade. AmericansTodd Rogers and Phil Dalhausser are the defending Olympic champions. And live coverage of the always unpredictable whitewater canoeing, with Olympic medals on the line. Also, the rowing competition becomes more pressure-packed, with semifinals from prestigious Eton Dorney.

8 p.m. - Midnight

Women's Gymnastics - Team Gold Medal Final

Swimming - Gold Medal Finals

Women's Diving - Synchronized Platform Gold Medal Final

•Gymnastics takes center stage as the reigning world champion U.S. women seek their first Olympic crown since the "Magnificent Seven" struck gold at the 1996 Atlanta Olympics. Michigan's Jordyn Wieber, the 2011 world all-around champion, and Gabby Douglas, who trained for the Games alongside four-time Beijing medalist Shawn Johnson, lead an American team of Olympic newcomers that is favored for gold over rivals Russia, Romania and China.

•Michael Phelps has his busiest night of the Games. First, he will swim for what is expected to be his third straight 200m butterfly gold medal - which could also give him 19 career medals, setting a new record. Less than an hour later, Phelps will be back in the pool for the 4x200m freestyle relay. This time, he teams up with Ryan Lochte on a U.S. squad that is favored for gold - which could give Phelps career medal No. 20. In the women's 200m freestyle, 17-year-old phenom Missy Franklin and Allison Schmitt, who took the year off from the University Georgia to train alongside Phelps under coach Bob Bowman, will challenge Italy's Federica Pellegrini, who has dominated the event by winning two world titles and setting a world record since she won gold in Beijing.

•What's harder than diving from 33 feet in the air with perfect form? Doing it in perfect sync with the person next to you. That's the challenge for the divers in the women's synchronized platform competition. Another challenge: topping China, which has won gold all three times the event has been contested.

WEDNESDAY, AUGUST 1 (DAY 5)

NBC

10 a.m. - 5 p.m. (9 a.m. CT/PT)

Swimming - Qualifying Heats

Men's Beach Volleyball - Gibb/Rosenthal (U.S.) vs. Samoilovs/Sorokins (Latvia) (LIVE)

Women's Volleyball - U.S. vs. China (LIVE)

Women's Water Polo - U.S. vs. Spain (LIVE)

Men's Cycling - Individual Time Trial

Rowing - Gold Medal Finals

Men's Canoeing - Whitewater, K-1 Gold Medal Final

•U.S. stars Michael Phelps,Ryan Lochte, Missy Franklin, and Rebecca Soni are all in the pool, swimming in key qualifying heats.

•Live coverage of the U.S. women's volleyball team vs. China. Led by Hugh McCutcheon, who coached the U.S. men to the Olympic title in 2008, the American women are favored to win their first Olympic gold.

•Live coverage of the U.S. women's water polo team vs. Spain. The Americans have earned a medal at each of the three Olympics since women's water polo made its Olympic debut in 2000, but have never won gold. They look to have their strongest team yet in London.

•Live coverage of beach volleyball from Horse Guards Parade in the heart of ceremonial London.

•Cast the team tactics and strategy of the road race aside - cycling's time trial is every rider for himself to see who can be fastest against the clock.

•Plus, gold medal finals in rowing from history-rich Eton Dorney and a gold medal final in men's whitewater canoeing, as athletes maneuver an high-speed, water obstacle course to compete for gold.

8 p.m. - Midnight

Swimming - Gold Medal Finals

Men's Gymnastics - All-Around Gold Medal Final

Women's Beach Volleyball - MistyMay-Treanor/Kerri Walsh (U.S.) vs. D. Schwaiger/S. Schwaiger (Austria)

Men's Diving -Synchronized Springboard Gold Medal Final

•Beach volleyball, one of the Games' hottest sports, continues at Horse Guards Parade in the heart of ceremonial London. Just down the road from the Queen's home at Buckingham Palace, the Queens of the sand, Misty May-Treanor andKerri Walsh Jennings, are eyeing a golden three-peat after sweeping the competition in Athens and Beijing without dropping a set.

•In the men's synchronized springboard, diving's odd couple looks to continue its winning ways and help the U.S. onto the medal stand. Separated by 13 years and 1,700 miles, four-time Olympian Troy Dumais and Stanford freshman Kristian Ipsen won world silver in 2009 just months after they began training together.

12:35 - 1:35 a.m.

Swimming - Semifinals

Women's Cycling - Time Trial

•Coverage includes semifinal action from the pool at the Olympic Aquatics Centre, as top swimmers try to qualify for Thursday's finals.

NBC SPORTS NETWORK

4 a.m. - 8 p.m.

Women's Basketball - U.S. vs. Turkey (LIVE)

Men's Soccer - Qualifying Round (LIVE)

Beach Volleyball -

Women's Cycling - Time Trial

Women's Water Polo - Hungary vs. China

Women's Volleyball - Dominican Republic vs. Japan (LIVE)

Men's Field Hockey - Spain vs. Australia (LIVE)

Men's Archery - Individual Elimination Round

Women's Fencing - Sabre Qualifying Round

Table Tennis - Men's Singles Quarterfinal

Badminton - Qualifying Round

NBC SPORTS NETWORK HIGHLIGHTS

•Live coverage of the U.S. women's basketball team against Turkey. Led by former UConn stars Sue Bird, Diana Taurasi and Maya Moore, the Americans are favored to win their fifth straight gold. Plus live coverage of cycling's women's time trial. American Evelyn Stevens, who only bought her first bike in 2008 and gave up a career on Wall Street, is among the medal favorites.

BRAVO

7 a.m. - 3 p.m.

Tennis - Early Rounds (LIVE)

BRAVO HIGHLIGHTS

•Tennis continues with live coverage from the historic grass courts of Wimbledon, including the start of the mixed doubles tournament, which makes its return to the Olympics following an 88-year absence

MSNBC

9 a.m. - 6 p.m.

Men's Soccer - Qualifying Round (LIVE)

Women's Beach Volleyball - Slukova/Kolocova (Czech Republic) vs. Cook/Hinchley (Australia) (LIVE)

Boxing - Elimination Bouts (LIVE)

Women's Fencing - Sabre Gold Medal Final (LIVE)

Women's Table Tennis - Gold Medal Final

Women's Weightlifting - 69 KG Gold Medal Final

Women's Handball - Serbia vs. Denmark

MSNBC HIGHLIGHTS

•In fencing's women's sabre competition, Mariel Zagunis bids for her third straight Olympic gold medal four years after she led an American sweep in the event in Beijing. Plus, live men's soccer and gold medal finals in weightlifting.

CNBC

5 - 8 p.m.

Boxing - Elimination Bouts

CNBC HIGHLIGHTS

•Once home to boxing legends Joe Frazier and George Foreman, Olympic boxing's heaviest weight class gets under way.

NBC OLYMPIC BASKETBALL CHANNEL

4 a.m. - 7 p.m.

Women's Basketball - Qualifying Round

NBC OLYMPIC SOCCER CHANNEL

9:30 a.m. - 12:30 a.m.

Men's Soccer - Qualifying Round

TELEMUNDO

9 a.m. - 5 p.m. (LIVE)

Men's Soccer - Qualifying Round

Swimming - Qualifying Heats

Tennis - Early Rounds

Boxing - Elimination Bouts

Midnight - 2:30 a.m.

Swimming - Gold Medal Finals

Men's Gymnastics - All-Around Gold Medal Final

Men's Diving - Synchronized Springboard Gold Medal Final

3D

7 a.m. - 7:15 p.m.

Women's Gymnastics - Team Gold Medal Final

Swimming - Gold Medal Finals

Women's Diving - Synchronized Platform Gold Medal Final

Canoeing - Whitewater Gold Medal Final