David Gumpel

Kermit's Swamp Years

2002 Movies

Jim Henson: Sing-Along, Dance-Along, Do-Along

1988 Movies

Hey, You're as Funny as Fozzie Bear

1988 Movies

The Great Sketch Experiment

2006 Movies

Muppet Sing Alongs: Billy Bunny's Animal Songs

1993 Movies

Muppet Sing Alongs: It's Not Easy Being Green

1994 Movies

Muppet Sing Alongs: Things That Fly

1996 Movies

Wow, You're A Cartoonist!

1988 Movies

Down at Fraggle Rock

1987 Movies

The Muppets Celebrate Jim Henson

1990 Movies

Muppet Sing Alongs: Muppet Treasure Island

1996 Movies

Muppets on Wheels

1995 Movies

Mr. Willowby's Christmas Tree

1995 Movies

Wow, You're A Cartoonist!

1988 Movies

1970 TV Shows