The Muppets: A Celebration of 30 Years A clip is shown. Dr. Teeth introduces a sequence featuring still images of various Muppet book covers, record covers, and magazine covers featuring appearances by the Muppets. Fozzie mentions that the Muppets are seen on television in 150 countries. Before Fozzie can continue, Sweetums and other Muppet monsters interrupt, complaining that their favorite clips were never shown. A montage featuring Muppet monsters, monsters eating other Muppets, and explosions is shown, with "Millions of Us Who are Ugly" and the "1812 Overture" playing over the clips. After the montage, Crazy Harry pops up for one more explosion. Count von Count then
The Muppets also generally made of softer materials. They are presented as being independent of the puppeteer, who is usually not visible—hidden behind a set or outside of the camera frame. Using the camera frame as the "stage" was an innovation of the Muppets. Previously on television, there would usually be a stage hiding the performers, as if in a live presentation. Sometimes, they are seen full-bodied; this is achieved by using invisible strings to manipulate the characters, with vocals added at a later point. Since 2006, Disney has contracted Puppet Heap to produce and maintain newer models of the Muppets. The