In 1991, produced a line of merchandise for a TV series concept, Muppet High, which was discussed at the Jim Henson Company in the months before Jim Henson's death. The series would have presented the Muppet characters as 1950s high school students, in the same vein as Happy Days and Archie Comics. The merchandise line included a set of PVC figures, two Muppet High plush dolls, and a set of mugs, picturing Kermit the Frog as a leather-jacket wearing teen with his motorcyle, "The Green Machine".