The Muppet Show (1976)

S5E13 Glenda Jackson

Glenda unveils her true identity as Black Jackson, the fearsome pirate captain, seizing control of the Muppet Theater alongside Short John Silver (Sweetums) and Eric, a ruthless parrot masquerading as a penguin. They capture Kermit, transform the theater into a pirate ship, and set sail in search of hidden riches. The episode culminates in a spectacular musical showdown on the ocean, where Gonzo and a flock of brave chickens join forces to rescue Kermit and reclaim their beloved theater.