1. Seinfeld
Average viewership during the run: 26.58 million.
Ranking based on average viewership during the year: 1
Number of seasons: 9
Ranking based on number of seasons: Joint fifth
The legendary sitcom changed the face of television while launching Jerry Seinfeld into superstardom. The show about ‘nothing’ was one of the few shows whose fan base increased throughout its run, culminating in one of the highest watched series finales of all time. The unprecedented success has allowed Seinfeld to claim the top position in the top 10 best sitcoms of all time.