Everyone refuses to play Kickety-Kickball along with Wubbzy because of his long and bendy tail, but soon, after learning from his friends, he realizes his tail is kooky and cool.
Wubbzy adopts a fleegle and he feeds him candy instead of the right kinds of food, and it is a big problem – a literally big problem. The Fleegle grows to a massive size, transforms into a monster and causes destruction to Wuzzleburg.