The Fungies!

One Night at Nevin's (1x40)

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Seth is off to his first sleepover at Nevin’s, where he’ll get to study Nevin and Granny in their natural habitat! But all of Granny and Nevin’s weird rules and habits convince Seth that they’re actually Pod People come to conquer Fungietown! Will Seth come to his senses before the slumber party turns bogus?