From 1974: Jim Henson and Kermit the Frog visit Johnny Carson's show. Mr. Carson forgets Mr. Henson's name, Mr. Frog forgets the lyrics to his signature song and the previous guest on Johnny's couch is nevertheless impressed.
Preceding it all is one of Henson's odder routines. I believe the gent assisting him with the Muppeteering is my friend Dave Goelz, who had just joined the Henson operation…