The graph shows data on the most watched television episodes of all time in the United States as of September 2017. According to the source, the final episode of M*A*S*H, which aired on February 28, 1983, is the most watched episode of television ever, drawing in an average of over 50 million viewers.What is the longest running TV show of all time?
Gunsmoke tops the list as the longest-running dramatic series in network television history with 635 episodes.Which TV series has more episodes?
In addition to being the number 3 longest-running primetime television show of all time, Gunsmoke also holds the record for most episodes of a prime time, live-action, scripted television series with an astonishing 635 episodes aired. 2 Law & Order: Special Victims Unit - 21 Seasons