|The Grover Monster - Jean Marsh Cartoon Special 1975|
|Hosts Jean Marsh and Grover appear in a framing segment.|
The only evidence concerning this special's existence is a promotional photo that was sold on eBay and can be seen at right. In addition, it is unknown precisely what segments the special used, let alone by Jones or Hubley. Since this special aired when home recording was in its infancy, it's unlikely that anyone recorded it, though Sesame Workshop might have a copy of at least the Grover/Marsh framing segments. Ironically, the "Cracks" short (which itself was lost for the longest time) has been speculated to have been one of the shorts featured during the program.