After Homer accidentally pollutes the town’s water supply, Springfield is encased in a gigantic dome by the EPA and the Simpsons are declared fugitives.

As it happens, everybody – Pooh, Piglet, Eeyore, Roo, Rabbit, Owl – is busy preparing a suitable winter home for Eeyore. When everything they do seems to get undone by Tigger’s exuberant bouncing, Rabbit suggest Tigger go outside and find other tiggers to bounce with – a notion Tigger finds ridiculous because, after all, he’s “the onliest one” Or is he?