Conversation so far:
When did The Muppet Show first air?
The Muppet Show series originated as two pilot episodes produced by Henson for ABC in 1974 and 1975, respectively.
Who voiced Miss Piggy in the Muppet Show?
Frank Oz voiced Miss Piggy.

Question: What was the show about?
Self-contained rewrite: What was The Muppet Show about?