Now that I think about it, there was a guy by the name of \"Paul the Flea\" (does anyone remember him?). He had an a-z game show survival list, and he listed $ale of the Century and Scrabble, as supposedly having all of their pre-1985 daytime episodes destroyed, even though for the latter, USA showed some of them.
He also listed Time Machine, as also being destroyed by NBC, as well as daytime Wheel of Fortune, from up until around 1984 or 1985, no longer existing.