The Simpsons wasn't the longest running cartoon family in 1997 nor is it today.
Japan's Sazae-san was, is & will remain for a while the longest running animated TV show in history, obviously this answers the question of the longest running cartoon family as well.
It debuted in 1969 and produces new episodes today
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However if you mean strictly American television, the closest answer is The Flintstones although it only ran for 6 seasons. The Simpsons passed The Flintstones' run in 1995 not 1997.
"The Simpsons"
The running back (aka Megget) in The Longest Yard was played by rapper Nelly.
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The oldest cartoon still running is "The Simpsons," which first premiered in December 1989. Created by cartoonist Matt Groening, the show was inspired by his desire to create a series of animated shorts for "The Tracey Ullman Show," reflecting American family life with a satirical edge. Groening's characters were based on his own family members, and he aimed to capture the humor and dysfunction of everyday life. The show's unique blend of satire, absurdity, and social commentary has contributed to its enduring popularity.
Four Corners.
The Simpsons is the longest running cartoon in animated cartoon history .
Is it the Simpsons
Yes, The Simpsons is well known around the world. It has earned the accolades of the Longest Running American Sit-com& Longest Running Animated Program in America.
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The longest running cartoon in history is Japan's Sazae-San, it began in October 1969 & has been airing ever since.
The Simpsons is the longest running FOX show.
The Simpsons .
There isn't a longest running "other than" Sazae-san. There's only one longest running animated program.If by chance you mean what's the second longest running animated program, that would be The Simpsons.
The Simpsons
The Simpsons .
"The Simpsons"
It's never become the longest running prime time series, nor will it ever earn that accolade.The Simpsons is the longest running American animated program & the longest running prime time scripted comedy & the longest running prime time American sitcom but the title of simply 'the longest running prime time series' belongs to The Hallmark Hall of Fame which has been airing for 64 seasons [& still does] followed by Walt Disney Presents which has been airing for 54 seasons [& still does].If you want to narrow it down to weekly series, 60 minutes is the longest running prime time series debuting in 1968.