Writing

—

(1 episode) … Writer

2015

… Story

2005

… Writer

2001

… Writer

1999		Muppets from Space … Screenplay
1999		The Very Best of the Muppet Show: Volume 2 … Writer
1999		The Very Best of the Muppet Show … Writer

1996

… Screenplay

1992

… Screenplay

1990		The Muppets Celebrate Jim Henson … Writer
1990		The Earth Day Special … Writer

1989

… Writer

1987

… Writer

1986

… Writer

1985		Gonzo Presents Muppet Weird Stuff … Writer
1985		Children's Songs and Stories with the Muppets … Writer

1984

… Writer

1983

(26 episodes) … Writer

1981		The Great Muppet Caper … Writer
1981		The Muppets Go to the Movies … Writer

1979		The Muppet Movie … Writer
1979		The Muppets Go Hollywood … Writer

1977

… Writer

1976

(5 episodes) … Writer

1970

… Writer

1969		Sesame Street (1 episode) … Writer
1969		The Cube … Writer

1968

… Writer

1962

… Writer

1961

(309 episodes) … Writer

1952

(15697 episodes) … Writer