The show features a large green muppet named Mopatop and his red duck-dog-like assistant Puppyduck.
Each episode features background puppets from The Muppet Show, Fraggle Rock, Little Muppet Monsters, A Muppet Family Christmas, The Jim Henson Hour, Dog City, Jim Henson's Animal Show, Secret Life of Toys, Muppets Tonight, and other projects having been recycled as various customers and suggestions to Mopatop's Shop.