The Muppet Show
Season 1, Episode 16: Twiggy
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Kermit is skeptical when everyone backstage is terrorized by "the Phantom of the Muppet Show." There turns out to be one, though -- Uncle Deadly, a monster-actor who performed in the theater years ago. After being panned by the critics, he vowed never to perform there again, and not to let anyone else perform either. He warns the Muppets, "Leave or be doomed!"
All Episodes - Season 1
Episode 1
Joel Grey
Episode 2
Rita Moreno
Episode 3
Sandy Duncan
Episode 4
Jim Nabors
Episode 5
Ruth Buzzi
Episode 6
Paul Williams
Episode 7
Florence Henderson
Episode 8
Peter Ustinov
Episode 9
Lena Horne
Episode 10
Harvey Korman
Episode 11
Candice Bergen
Episode 12
Ben Vereen
Episode 13
Charles Aznavour
Episode 14
Phyllis Diller
Episode 15
Avery Schreiber
Episode 16
Twiggy
Episode 17
Valerie Harper
Episode 18
Mummenschanz
Episode 19
Juliet Prowse
Episode 20
Kaye Ballard
Episode 21
Bruce Forsyth
Episode 22
Ethel Merman
Episode 23
Connie Stevens
Episode 24
Vincent Price