Sometime in the 70's late-ish
The Muppet Show - album - was created in 1977.
The Muppet Show Theme was created in 1976.
Jim Henson .
The duration of The Muppet Show is 1800.0 seconds.
Scooter - Muppet - was created in 1976.
Clifford - Muppet - was created in 1989.
Hundreds
The first episode of The Muppet Show aired on January 29, 1976.
Uncle Deadly - Muppet - was created in 1976.
Man or Muppet was created on 2011-11-22.
The Muppet Musicians of Bremen was created in 1972.
Barkley - Muppet character - was created in 1978.