Bill Cosby meets Kermit the Frog on Sesame Street in Jim Henson's anniversary special, Sesame Street: 20 and Still Counting, produced as part of The Jim Henson Hour in 1989.
Read more from Jim Henson's Red Book in Imagination Illustrated: The Jim Henson Journal available from Chronicle Books.
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Sesame Street: 20 and Still Counting aired on NBC on April 7, 1989. This one-hour special marks...