Dr Mu aims to win over the last free planet in the universe by gaining the love and trust of its children through a new cartoon series...

In an attempt to conquer the last free planet in the universe by first winning the hearts and minds of its children, Dr Mu turns himself into Mu!, the lovable star of a new animated series, The Mu Show. Back on Earth, the programme's millions of viewers find themselves sucked into their TV screens and transported through the multiverse to a cartoon planet where they become animated versions of themselves.

The cartoon world's inhabitants are extremely upset to find millions of animated Earthlings dropping into their world and when an animated Rufus Hound arrives they enlist his help to defeat the evil cartoon Mu!