The Muppets Go Hollywood (1979)

Kermit the Frog throws a glamorous party at the Cocoanut Grove nightclub to celebrate the premiere of the Muppets first feature film The Muppet Movie Hosts Dick van Dyke and Rita Moreno interview the wide array of celebrities and Muppets who attend the event Gary Owens serves as offcamera announcer and appears onscreen to introduce Miss Piggy