Once Upon a Forest is a 1993 animated film based on the Furlings characters created by Rae Lambert. A Hanna-Barbera/HTV Cymru/Wales production released by Walt Disney Pictures, the film was directed by Charles Grosvenor and produced by David Kirschner.
It tells the story of three forest denizens that go on an expedition to cure their friend, Michelle, who became sick from chemical fumes. The film's environmental theme divided critics at the time of its release, along with the animation and story. The film was a box office bomb, grossing US$6.6 million against a budget of $13 million.