Directing David Gumpel Directed Kermit's Swamp Years 2002 Muppet Sing Alongs: Things That Fly 1996 Muppet Sing Alongs: Treasure Island 1996 Muppets on Wheels 1995 Muppet Sing Alongs: It's Not Easy Being Green 1994 Muppet Sing Alongs: Billy Bunny's Animal Songs 1993 Hey, You're as Funny as Fozzie Bear 1988 Wow, You're A Cartoonist! 1988 Other Credits The Great Sketch Experiment Editor 2006 Mr. Willowby's Christmas Tree Editor 1995 The Muppets Celebrate Jim Henson Editor 1990 Jim Henson: Sing-Along, Dance-Along, Do-Along Associate Producer 1988 Down at Fraggle Rock Producer 1987 Agent-readable