I thought the face slash was from a one-night stand who had a razor blade hidden in her mouth. It was pretty sick, IIRC.

I had forgotten that Mr. Carlin was in that episode! Now I remember an aside where one of his doctors said, "that a shrink in Chicago really did a number on him." But the guy that tossed the cap wasn't Mr. Carlin, he was a shlubby guy that was in a lot of sitcoms during that time.

No, but I remember the one where the guy who thought he was Mary Tyler Moore ran into a Navy Captian played by Betty White and called her "Sue Ann."

Y'know, that Janet Leigh had big breasts