The Grover Monster - Jean Marsh Cartoon Special

From Muppet Wiki

The Grover Monster - Jean Marsh Cartoon Special, also referred to as The Jean Marsh Cartoon Special, aired over PBS stations on March 10, 1975. Jean Marsh, with the assistance of Grover, hosted a collection of award-winning short subjects, including films by Chuck Jones and John Hubley.

David Connell produced, and Norman Stiles and Jim Thurman wrote the linking material.