This year, Olympics fanatics can watch the Games a few ways: First, NBC Universal will have coverage across multiple cable networks. (Here's the official schedule for TV-watchers.)
But you can also live stream many events online right as they happen using NBC's Olympics website or the NBC Sports App (though both require viewers to log in using a cable subscription).
If you're live streaming, here's a list of must-see games, races, and matches you won't want to miss. (Note: All times are Eastern Time. For the full live stream schedule, click here.)
FRIDAY, AUGUST 5
8 p.m.: Opening ceremony
SATURDAY, AUGUST 6
12 p.m.: Swimming: men's 400-meter individual medley; women's 100-meter butterfly; men's 400-meter freestyle; men's 100-meter breaststroke; women's 4x100-meter freestyle relay
1:30 p.m.: Men's gymnastics qualification round for team USA
4 p.m.: Women's soccer, USA vs. France
6 p.m.: Men's basketball, China vs. USA
9 p.m.: Swimming: men's/women's 400-meter individual medley final, women's 100-meter butterfly semifinal, men's 400-meter freestyle final, men's 100-meter breaststroke semifinal, and the women's 4x100 freestyle relay final
11 p.m.: Women's beach volleyball: Team USA's Kerri Walsh Jennings and April Ross face off against Australia in their first Rio match.
SUNDAY, AUGUST 7
12 p.m.: Swimming: men's/women's 100-meter backstroke, men's 200-meter freestyle, women's 400-meter freestyle, and the men's 4x100-meter freestyle relay. Team USA's Katie Ledecky makes her Rio debut.
4:30 p.m.: Women's gymnastics qualification round for team USA
9 p.m.: Swimming: women's 100-meter butterfly final, men,s 200-meter freestyle semifinal, women's 100-meter breaststroke semifinal, men's 100-meter breaststroke final, women's 400-meter freestyle final, men's 100-meter backstroke semifinal, and the men's 4x100 freestyle relay final. Team USA's Katie Ledecky aims to break her own world record in the 400-meter freestyle.
MONDAY, AUGUST 8
8 a.m.: Women's fencing: Ibtihaj Muhammad debuts as the first U.S. athlete to compete in a hijab.
12 p.m.: Swimming: women's 200-meter freestyle, men's 200-meter butterfly, and the women's 200-meter individual medley. Michael Phelps competes for the first time in Rio in the 200-meter butterfly.
3 p.m.: Men's gymnastics team final
9 p.m.: Swimming: women's 200-meter freestyle semifinal, men's 200-meter freestyle final, men's/women's 100-meter backstroke final, women's 100-meter breaststroke final, men's 200-meter butterfly semifinal, and the women's 200-meter individual medley semifinal. Michael Phelps races in the 200-meter butterfly.
11 p.m.: Women's beach volleyball: Kerri Walsh Jennings and April Ross compete against China.
TUESDAY, AUGUST 9
12 p.m.: Swimming: men's 100-meter freestyle, women's 200-meter butterfly, men's 00-meter breaststroke, and the men's 4x200-meter relay.
3 p.m.: Women's gymnastics team final. Team USA's Simone Biles, Aly Raisman, Gabby Douglas, Laurie Hernandez, and Madison Kocian compete for another gold medal.
6 p.m.: Women's soccer, USA vs. Colombia
9 p.m.: Swimming: men's 100-meter freestyle semifinal, women's 200-meter freestyle final, men's 200-meter butterfly final, women's 200-meter butterfly semifinal, men's 200-meter breaststroke semifinal, women's 200-meter individual medley final, and the men's 4x200-meter freestyle relay final. Michael Phelps swims in the 200-meter butterfly.
WEDNESDAY, AUGUST 10
12 p.m.: Swimming: women's 100-meter freestyle, men's 200-meter backstroke, women's 200-meter breaststroke, men's 200-meter individual medley, and the women's 4x200-meter freestyle relay. Ryan Lochte makes his first solo swim of the games in the 200-meter individual medley.
3 p.m.: Men's all-around gymnastics final
8 p.m.: Women's beach volleyball: Team USA's Kerri Walsh Jennings and April Ross play against Switzerland.
9 p.m.: Swimming: men's 200-meter breaststroke final, women's 100-meter freestyle semifinal, men's 200-meter backstroke semifinal, women's 200-meter butterfly final, men's 100-meter freestyle final, women's 200-meter breaststroke semifinal, men's 200-meter individual medley semifinal, and the women's 4x200-meter freestyle relay final.
THURSDAY, AUGUST 11
9 a.m.: Judo quarterfinal and semifinal. Team USA's Kayla Harrison defends her 2012 gold medal.
12 p.m.: Swimming: men's 50-meter freestyle, women's 800-meter freestyle, men's 100-meter butterfly, and the women's 200-meter backstroke. Michael Phelps swims the 100-meter butterfly and Katie Ledecky swims the 800-meter freestyle.
2:30 p.m.: Judo medal matches. Kayla Harrison could become the first American to win two gold medals in Judo.
9 p.m.: Swimming: men's 50-meter freestyle semifinal, women's 200-meter breaststroke final, men's 200-meter backstroke final, women's 200-meter backstroke semifinal, men's 200-meter individual medley final, women's 100-meter freestyle final, men's 100-meter butterfly semifinal. Michael Phelps and Ryan Lochte race against each other in the 200-meter individual medley final.
FRIDAY, AUGUST 12
8:30 a.m.: Track and field: men's discus, women's heptathlon, women's shot put, men's 800-meter, women's 100-meter, and the women's 10,000-meter final
11 a.m.: Men's doubles tennis bronze medal match
12 p.m.: Swimming: women's 50-meter freestyle, men's 1500-meter freestyle, and the men's/women's 4x100-meter medley relays.
2 p.m.: Women's skeet shooting final. Team USA's Kim Rhode aims to be the first US athlete to win an individual medal in six consecutive Olympic games.
3 p.m.: Men's doubles tennis gold medal match
7:20 p.m.: Track and field: Women's 1500-meter, women's heptathlon, women's hammer throw, men's 400-meter, men's long jump, women's 100-meter, and the women's shot put final
9 p.m.: Swimming: women's 200-meter backstroke final, men's 100-meter butterfly final, women's 800-meter freestyle final, men's 50-meter freestyle final, and the women's 50-meter freestyle semifinal. Team USA's Katie Ledecky and Missy Franklin compete in the 800-meter freestyle and 200-meter backstroke.
SATURDAY, AUGUST 13
8:30 a.m.: Track and field: men's 100-meter, women's triple jump, women's 3000-meter steeplechase, women's 400-meter, women's heptathlon, men's 100-meter, and the men's discus final. Usain Bolt makes his Rio debut.
11 a.m.: Men's singles tennis bronze medal match
11 a.m.: Women's doubles tennis bronze medal match
3 p.m.: Women's singles tennis bronze medal match
5 p.m.: Women's singles tennis gold medal match
7 p.m.: Track and field: women's heptathlon, men's pole vault, men's 400-meter, women's 100-meter, men's 800-meter, men's 10,000-meter final, and the men's long jump final.
9 p.m.: Swimming: women's 50-meter freestlye final, men's 1500-meter freestyle final, and the men's/women's 4x100-meter medley relays. Michael Phelps competes in his last race at Rio.
SUNDAY, AUGUST 14
8:30 a.m.: Women's marathon
11 a.m.: Men's singles tennis gold medal match
1 p.m.: Gymnastics event finals: men's floor, women's vault, men's pommel horse, women's uneven bars.
1 p.m.: Women's doubles tennis gold medal match
7 p.m.: Track and field: men's high jump, women's 400-meter, men's 100-meter, women's 1500-meter, women's triple jump final, men's 400-meter final, and the men's 100-meter final. Usain Bolt defends his gold medal in the 100-meter.
MONDAY, AUGUST 15
8:30 a.m.: Track and field: men's triple jump, women's 200-meter, men's 3000-meter steeplechase, men's 400-meter hurdles, women's hammer throw final, and the women's 3000-meter steeplechase final
1 p.m.: Gymnastics event finals: men's rings, women's balance beam, and men's vault
7:15 p.m.: Track and field: women's discus, men's 110-meter hurdles, women's 400-meter hurdles, men's 800 final, women's 400 final, and the men's pole vault final. Team USA's Allyson Felix makes her Rio debut.
TUESDAY, AUGUST 16
8:30 a.m.: Track and field: women's 5000-meter, women's pole vault, men's 1500-meter, women's 100-meter hurdles, men's 200-meter, women's discus final, and the men's triple jump final
12 p.m.: Women's soccer semifinal 2
1 p.m.: Gymnastics event finals: men's parallel bars, women's floor, men's high bar
3 p.m.: Women's soccer semifinal 1
7:15 p.m.: Track and field: women's javelin, women's 200-meter, women's long jump, men's/women's 400-meter hurdles, men's high jump final, men's 110-meter hurdles final, and the women's 1500-meter final
WEDNESDAY, AUGUST 17
8:30 a.m.: Track and field: men's decathlon, men's hammer throw, men's 5000-meter, women's 800-meter, and the men's steeplechase final. Team USA's Ashton Eaton defends his gold medal in decathlon.
12 p.m.: Men's soccer semifinal 2
3 p.m.: Men's soccer semifinal 1
7:20 p.m.: Track and field: men's decathlon, men's javelin, men's 200-meter, women's 100-meter hurdle final, women's 200-meter final, and the women's long jump final
9 p.m.: Women's beach volleyball bronze medal match
11 p.m.: Women's beach volleyball gold medal match
THURSDAY, AUGUST 18
8:30 a.m.: Track and field: men's decathlon, men's shot put, women's high jump, men's/women's 4x100-meter relays, and the men's 400-meter hurdles final
10 a.m.: Men's triathlon
5:35 p.m.: Track and field: Men's decathlon, men's 1500-meter, women's 800-meter, men's 200-meter final, women's 400-meter hurdles final, women's javelin final, and the men's shot put final. Usain Bolt and Team USA's Justin Gatlin race in the 200-meter.
9 p.m.: Men's beach volleyball bronze medal match
11 p.m.: Men's beach volleyball gold medal match
FRIDAY, AUGUST 19
8 a.m.: Taekwondo. Team USA's Steven Lopez competes in his fifth Olympics.
12 p.m.: Women's soccer bronze medal match
4:30 p.m.: Women's soccer gold medal match
7:10 p.m.: Track and field: men's/women's 4x400-meter relays, women's pole vault final, men's hammer throw final, and the men's/women's 4x100-meter relay finals. Usain Bolt competes in his final Olympic race.
SATURDAY, AUGUST 20
10 a.m.: Women's triathlon
10:30 a.m.: Women's basketball bronze medal match
12 p.m.: Men's soccer bronze medal match
2:20 p.m.: Rhythmic gymnastics all-around final
2:30 p.m.: Women's basketball gold medal match
4:30 p.m.: Men's soccer gold medal match
7:10 p.m.: Track and field: women's high jump final, men's javelin final, men's 1500-meter final, women's 800-meter final, men's 5000-meter final, and the men's/women's 4x400-meter relay finals.
SUNDAY, AUGUST 21
8:30 a.m.: Men's marathon
10 a.m.: Rhythmic gymnastics group final
10:30 a.m.: Men's basketball bronze medal match
2:45 p.m.: Men's basketball gold medal match
7 p.m.: Closing ceremonies
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