What is the longest running show on Nickelodeon ever?
Rugrats (1991-2004) & Spongbob Squarepants (1999-Present) are currently tied for the longest running show at 13 years. Pinwheel (1977-1989) is next with 12 yearsFairly OddParents (2001-Present) & Y...
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What Longest running comedy TV show ever?
The Simpsons this answer is wrong it is Saturday Night Live