Content begins on the Olympic Soccer and Olympic Basketball channels on July 25th.
Everything else will be on regular NBC Universal channels:
NBC will broadcast 272.5 hours of London Olympic coverage over 17 days for the most extensive coverage ever provided by an Olympic broadcast network. Swimming -- including Michael Phelps' quest to become the most decorated Olympian ever -- track and field, gymnastics, diving, and beach volleyball, among other sports, will serve as the centerpieces of NBC's coverage, which begins with the Opening Ceremony at 7:30 p.m. ET/PT on Friday, July 27.
NBCSports Network will serve as the home to U.S. team sports, with 292.5 hours of total coverage from 2012 London Olympics this summer, including 257.5 hours of original programming - the most-ever for an Olympic cable network. Coverage will begin on Wednesday, July 25, at 11:30 a.m. ET, two days before the Opening Ceremony, when Team USA takes on France in women's soccer. NBC Sports Network coverage, originating from Olympic Park in London, will air up to 20 medal rounds and 22 Olympic sports, including Team USA basketball, women's soccer and field hockey
MSNBC, NBCUniversal's 24/7 cable news channel that is fully distributed in roughly 100 million homes, will carry 155.5 hours of a wide variety of long-form Olympic programming over 19 days. The channel will air up to 18 medal rounds and 20 Olympic sports, from badminton to basketball to soccer to wrestling On most weekdays, coverage will air from 9 a.m. - 6 p.m. ET with longer programming windows on Saturdays and Sundays.
CNBC -- NBCUniversal's fully distributed cable business channel -- will serve as the home of Olympic boxing this summer, including the debut of women's boxing. The channel will televise 73 hours of coverage over 16 days from elimination bouts to the men's and women's finals. Same-day coverage will air from 5-8 p.m. ET during the week, with six hours of live coverage airing each day on the weekends.
Bravo, NBCUniversal's fully distributed lifestyle cable channel, will be the home of Olympic tennis this summer. The channel will televise 56 hours of long-form coverage over seven days, from July 28-August 3. Live coverage will air from early morning until mid-afternoon (ET) on most days.
A total of 770 hours of coverage will be available on two NBCUniversal specialty channels devoted solely to soccer and basketball.
NBCUniversal will have the most extensive Spanish-language Olympic coverage in the company's history, offering more than 173 hours of the London 2012 Olympics on Telemundo, "The U.S. Home of the Olympic Games in Spanish." Telemundo's comprehensive coverage will feature marquee disciplines such as boxing, swimming, basketball and soccer, which will be a major broadcast highlight.
http://www.nbcolympics.com/tv-listings/index.html
