The Muppets Present...Great Moments in American History dialogue track. The Muppets Studio and Muppet performers Steve Whitmire, Eric Jacobson, and Dave Goelz provided consultation, as well as recording the voices for their respective characters. Kermit the Frog, Miss Piggy, Fozzie Bear, Gonzo, and Sam Eagle are featured in the show. A live cast member portrays James "J.J." Jefferson, the town crier who engages the audience in the "Declaration of Independence" sketch. Each show performance features one of the following sketches: The show's development started in the spring of 2014, following the release of "Muppets Most Wanted". Originally, the show was only going to feature Sam Eagle interacting
The Muppets conception. At the start of the Muppets' formation, Jim and Jane Henson were the group's only performers. In 1961, Jane retired to focus on raising their children. Seeking additional performers, Jim came into contact with Frank Oz that year. Although interested, Oz initially declined due to his youth and commitment to high school, and instead suggested Jerry Juhl, who worked alongside Oz at the Vagabond Puppet Theater in Oakland, California. Upon graduating, Oz subsequently joined in August 1963. By the time "The Muppet Show" began, the primary cast of performers grew to consist of Henson; Oz; Dave Goelz; Jerry Nelson;