Frank Oz and Andy Williams in Muppet Show (1976)

Jim Henson and Richard Hunt in Muppet Show (1976)

Frank Oz, Jim Henson, Richard Hunt, Rowlf, and Miss Piggy in Muppet Show (1976)

Frank Oz and Jim Henson in Muppet Show (1976)

Frank Oz and Richard Hunt in Muppet Show (1976)

Victor Borge, Arlo Guthrie, Kenny Rogers, and Beverly Sills in Muppet Show (1976)

Mac Davis, Glenda Jackson, Linda Ronstadt, and Loretta Swit in Muppet Show (1976)

Jim Henson, Dave Goelz, and Liza Minnelli in Muppet Show (1976)

Kermit and Ratso at the Profiles in History booth

Pearl Bailey and Jerry Nelson in Muppet Show (1976)

Frank Oz, Jim Henson, Dave Goelz, Richard Hunt, and Jerry Nelson in Muppet Show (1976)

The Great Gonzo, Kermit the Frog, Miss Piggy, and Fozzie Bear in Muppet Show (1976)

Frank Oz, Jim Henson, Dave Goelz, Louise Gold, Richard Hunt, Kathryn Mullen, Jerry Nelson, and Steve Whitmire in Muppet Show (1976)