TV Show name help - hypotised parent turn into kids?!

Question: I'm trying to remember what the name of the show was.
Theres a show where a mum and dad turn into kids when a word is said cause they were hypotised at a fair or something. And the kids have to look after them? Anyone got?

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Answers: I'm trying to remember what the name of the show was.
Theres a show where a mum and dad turn into kids when a word is said cause they were hypotised at a fair or something. And the kids have to look after them? Anyone got?

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South Park

or Seinfeld

or Family Guy

or Simpsons

or Lost

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