Rio Olympics: How to watch Thursday

Can Lightning strike twice?
Usain Bolt is lining up for gold medal No. 8, and the biggest drama may not be whether he wins, but whether he cracks the once-thought-untouchable 19-second barrier. He owns the world (19.19) and Olympic (19.30) records.
Those who will challenge him include Canadian Andre De Grasse and American LaShawn Merritt, who qualified second and third, respectively, behind Bolt.
Here’s a look at Thursday’s schedule (events live unless noted-x):
NBC
* 10 a.m.-noon
Track & field — Men's 400 hurdles final
Canoe/Kayak — Sprint finals-x
* Noon-2 p.m.
Women's volleyball — Semifinals, United States vs. Serbia
* 2-3:30 p.m.
Women's diving — Platform semifinals-x
Men's cycling — BMX quarterfinals-x
* 3:30-5 p.m.
Men's water polo — Semifinals, Italy vs. Serbia
Synchronized swimming — Team qualifying-x
* 8 p.m.-midnight
Track & field — Finals, men's shot put, women's javelin, men's 1,500 decathlon, women's 400 hurdles, men's 200
Women's diving — Platform finals-x
Men's beach volleyball — Gold final
* 12:35-1:35 a.m.
Men's beach volleyball — Medal round-x
* 1:35-4:30 a.m.
Prime-time encore-x
NBCSN
* 8-11:20 a.m.
Canoe/Kayak — Sprint finals
Track & field — Men's 400 hurdles final
* 11:20 a.m.-2 p.m.
Men's water polo — Semifinals, Montenegro vs. Croatia
Women's wrestling — Freestyle qualifying-x
Men's field hockey — Bronze final, Germany vs. Netherlands-x
* 2-4 p.m.
Women's basketball — Semifinals, Serbia vs. Spain
* 4-6 p.m.
Women's wrestling — Freestyle finals
* 6-8 p.m.
Women's basketball — Semifinals, United States vs. France
* 8-9:45 p.m.
Men's boxing — Light heavyweight final-x
Men's beach volleyball — Bronze final
* 9:45 p.m.-midnight
Women's volleyball — Semifinals, China vs. Netherlands
Taekwondo — Gold finals-x
MSNBC
* 2-4 p.m.
Sailing — Gold finals-x
Women's handball — Semifinals
CNBC-x
* 5-6 p.m.
Taekwondo — Modern pentathlon quarterfinals and semifinals
Fencing
* 6-8 p.m.
Men's field hockey — Gold final, Argentina vs. Belgium
USA
* 10 a.m.-1 p.m.
Men's triathlon
Women's badminton — Doubles final-x
GOLF
* 6:30 a.m.-3 p.m.
Women's — Second round
NBC BASKETBALL
* 2-4 p.m.
Women — Semifinals, Serbia vs. Spain
* 4-6 p.m.
Women — Semifinals, Serbia vs. Spain-x
* 6-8 p.m.
Women — Semifinals, United States vs. France
* 8-10 p.m.
Women — Semifinals, United States vs. France-x
* 10 p.m.-midnight
Women — Semifinals, Serbia vs. Spain-x
* Midnight-2 a.m.
Women — Semifinals, United States vs. France-x
TELEMUNDO-x
* 10:30 a.m.-1 p.m.
Synchronized swimming
* 1 p.m.-4 p.m.
Track & field
Beach volleyball
NBC UNIVERSO-x
* 4-8 p.m.
Volleyball
Boxing