Credits · 20
The Dark Crystal: Age of Resistance
2019 · Story
FilmReflections of 'The Dark Crystal'
2007 · Self
FilmThe Very Best of the Muppet Show
1999 · Writer
FilmThe Very Best of the Muppet Show: Volume 2
1999 · Writer
FilmMartians Go Home
1989 · Director
Monsters
1988 · Writer
FilmMasters of the Universe
1987 · Writer
FilmGonzo Presents Muppet Weird Stuff
1985 · Writer
Tales from the Darkside
1984 · Writer
FilmSupergirl
1984 · Screenplay
FilmNate and Hayes
1983 · Writer
FilmThe Dark Crystal
1982 · Screenplay
FilmOf Muppets & Men
1981 · Self
FilmRunning Scared
1980 · Screenplay
The Muppet Show
1976 · Writer
FilmFore Play
1975 · Writer
FilmBetween Time and Timbuktu
1972 · Writer
FilmDealing: Or the Berkeley-to-Boston Forty-Brick Lost-Bag Blues
1972 · Writer
FilmCry Uncle!
1971 · Angry Man in Parking Lot (uncredited)
FilmFiend of Dope Island
1960 · Producer