5. The Simpsons
Average viewership during the run: 13.28 million.
Ranking based on average viewership during the year: 4
Number of seasons: 26
Ranking based on number of seasons: 1
Rounding up the top half of the top 10 best sitcoms of all time, the most influential animated sitcom of all time, The Simpsons has been watched by tens of millions of people, and has had a huge impact on pop culture. It is no surprise that the show has been going strong for 26 years, even though viewership has fallen over the years.
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