Marvin the Tap-Dancing Horse  Marvin the Tap-Dancing Horse is a Canadian/Chinese animated television show produced by Nelvana. It tells the stories of a young horse named Marvin who is part of a carnival. Among the executive producers are Michael Paraskevas and Betty Paraskevas, creators of "Maggie and the Ferocious Beast", who also created the book that the show is based on. The show first aired on PBS Kids in the United States as part of the PBS Kids Bookworm Bunch from 2000 to 2004. In Canada, it aired on Treehouse, and in the United Kingdom, the series also aired on Tiny Pop. In 2007, reruns of the show began airing on Qubo in the US. Some episodes include original songs to help illustrate the theme or accompany montages that carry the story forward.