Writer, Original work · 17 titles
O Conto de Natal dos MuppetsFilm· 1992Writer
Muppets: O FilmeFilm· 1979Writer
Os Muppets na Ilha do TesouroFilm· 1996Writer
Muppets do EspaçoFilm· 1999Writer
A Grande Farra dos MuppetsFilm· 1981Writer
A Muppet Family ChristmasFilm· 1987Writer
Emmet Otter's Jug-Band ChristmasFilm· 1977Writer
The CubeFilm· 1969Writer
The Muppets Go HollywoodFilm· 1979Writer
Jim Henson's Turkey HollowFilm· 2015Original work
The Muppets at Walt Disney WorldFilm· 1990Writer