What to Watch: Rio Olympics Day 4 - With the world watching, Simone Biles, Aly Raisman, Gabby Douglas, Laurie Hernandez and Madison Kocian hope to win the second-consecutive Olympic team final gold medal for the United States in Rio on Day 4 of the Games.
In soccer, the U.S. women have one more obstacle in group play as they go head-to-head with Columbia.
Over on the beach, Brazil's Larissa and Talita will have home field advantage against the U.S.' Olympic first-timers Lauren Fendrick and Brooke Sweat.
For a full rundown of the action in Rio check out the NBCOlympics.com streaming schedule. Watch all of the events of the 2016 Rio Olympic Games live on NBCOlympics.com, the NBC Sports app, and on connected set-top boxes.
10:00 pm ET
Men's Beach Volleyball: Dalhausser/Lucena (USA) vs. Virgen/Ontiveros (MEX)STREAM LIVE
Ten years after splitting up, Phil Dalhausser and Nick Lucena reunited to form the top U.S. men's beach volleyball team. Dalhausser recalls always hoping to play with Lucena again, determined to find success in a rekindled partnership. Entering the Olympic tournament as the third seed, the U.S. men hope to beat Mexico's Juan Virgen and Lombardo Ontiveros.
11:00 pm ET
Women's Beach Volleyball: Larissa/Talita (BRA) vs. Fendrick/Sweat (USA)STREAM LIVE
Under the lights on Copacabana beach and against the top ranked Brazilians, Olympic rookies Lauren Fendrick and Brooke Sweat will be tested when they face off against Rio favorites, Larissa and Talita.
2:10 pm ET
Men's canoe/kayak C1 finalSTREAM LIVE
Team USA's Casey Eichfeld tries to break out and onto the medals podium in an event historically dominated by European competitors. The last time a U.S. canoe athlete won a medal in C1 was at the 1972 Munich Olympics. James McEwan won bronze, and happens to be the father of Eichfeld's C2 partner, Devin, in Rio.
3:00 pm ET
Women's Diving: Synchronized 10m platform finalSTREAM LIVE
After being introduced at the 2000 Sydney Olympics, the women's synchronized 10m platform diving competition has been owned by the Chinese. The U.S. team of Amy Cozad and Jessica Parratto hope to hang with the world's best in Rio.
3:00 pm ET
Women's Gymnastics: Team finalSTREAM LIVE
The most anticipated gymnastics event of the year pits the rest of the world vs. the American women, who have been on a winning streak since they won gold four years ago in London. With three-time world all-around champion Simone Biles, 2012 Olympians Gabby Douglas and Aly Raisman, and new stars Laurie Hernandez and Madison Kocian, the U.S. is heavily favored to repeat as Olympic champions.
8:10 am ET
Women's rowing single sculls quarterfinalsSTREAM LIVE
Returning for her second Olympic games, Cambridge, Massachusetts single sculler Gevvie Stone looks to improve upon her seventh place finish from London.
5:00 pm ET
Men's Rugby: United States vs. BrazilSTREAM LIVE
The U.S. brings a men's rugby roster to Rio featuring a former track sprinter (Carlin Isles), an NFL safety (Nate Ebner) and a UK expat captain (Madison Hughes). Some may call them ragtag, but that hasn't stopped them from becoming one of the most entertaining teams to watch in rugby this season.
6:00 pm ET
Women's Soccer: United States vs. ColumbiaSTREAM LIVE
The U.S. women close out their preliminary round matches against a Columbia team that's had more success on the international stage since the 2012 Olympics, but will still need to have the ball take a few lucky bounces in their favor if they hope to advance past the group phase in Rio.
9:00 pm ET
Day 4 Evening SessionSTREAM LIVE
Men's 100m freestyle semifinal
Women's 200m freestyle final
Men's 200m butterfly final
Men's 4x200m freestyle final
Katie Ledecky attempts to extend her reign in the 200m freestyle with an Olympic win, while Michael Phelps tries to reclaim the 200m butterfly throne from South African Chad le Clos, after le Clos left Phelps stunned in the London final.
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