'Simpsons' Creator Matt Groening Earlier this year The Simpsons celebrated its 300th episode, making it the longest-running animated series on TV.

'Simpsons' Creator Matt Groening

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'Simpsons' Creator Matt Groening

'Simpsons' Creator Matt Groening

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October 23, 200312:00 AM ET

Heard on Fresh Air

Earlier this year The Simpsons celebrated its 300th episode, making it the longest-running animated series on TV.