Writing

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(1 episode) … Writer

2021

… Characters

2015

… Story

2014

… Characters

2011

… Characters

2001

… Writer

1999		The Very Best of the Muppet Show: Volume 2 … Writer
1999		The Very Best of the Muppet Show … Writer

1986		Inside the Labyrinth … Writer
1986		Labyrinth … Story

1985		Gonzo Presents Muppet Weird Stuff … Writer
1985		Muppet Video: The Kermit and Piggy Story … Writer
1985		Children's Songs and Stories with the Muppets … Writer

1982

… Story

1981

… Writer

1976

(5 episodes) … Writer

1969

… Writer

1968

… Writer

1965

… Writer

1962

… Writer