David Gumpel Kermit's Swamp Years Jim Henson: Sing-Along, Dance-Along, Do-Along Hey, You're as Funny as Fozzie Bear The Great Sketch Experiment Muppet Sing Alongs: It's Not Easy Being Green Muppet Sing Alongs: Billy Bunny's Animal Songs Muppet Sing Alongs: Things That Fly Wow, You're A Cartoonist! Down at Fraggle Rock The Muppets Celebrate Jim Henson Muppet Sing Alongs: Muppet Treasure Island Muppets on Wheels Mr. Willowby's Christmas Tree Wow, You're A Cartoonist!