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The Muppet Show had 5 seasons, between 1976 and 1981. So no, there are no new episodes.
the list of the what-if Muppet Palisades Toys are:
the characters, animal guests, playsets, etc. from Jim Henson's Animal Show with Stinky and Jake
the characters, playsets, etc. from Fraggle Rock
The duration of The Muppet Show is 1800.0 seconds.
The Muppet Show - album - was created in 1977.
The Muppet Show Theme was created in 1976.