In 2019, you can "binge" this show on Amazon Prime - at least a decent sampling of the Ludden episodes. It's really fun, when the celebrities are good at the game. But when they are AWFUL, it can be a bummer. I just watched Dick Martin derail about four great players. It is infuriating. Yet, they apparently asked him back a few times, as he was a regular on the previous versions of the show.
Linda Henning is an excellent player. So are Elizabeth Montgomery, and Robert Foxworth (married). Vickie Lawrence is terrible. It's similar to watching lousy panels on "Match Game" (especially the new version). But the latter is a silly show, whereas "Password" is intended to be a bit more cerebral.
Again - that first visit by Dick Martin in 1979? You will get really irritated.