America's Most Watched: The Top 50 Shows of the 2013-2014 TV Season. Bazinga! The Big Bang Theory narrowly beat out NCIS to be named this past season's most-watched series in all of television. With final season averages that include live plus 7 time-shifted viewing data now available, Bang averaged 23.1 million viewers for the season ending May 24, while NCIS averaged 22.4 million.