That "little-known fact" should of course be read in Cliff Clavin from Cheers' voice!

Of course I'm just being silly, here. But I found a photo or two whilst going through my archives lately, tried to upscale it a bit (only mildly succeeding), and figured I'd share. I've also read in passing that TOS and Batman were two shows in the 60's that didn't necessarily get the highest ratings, but were highly sought-after in terms of famous guest actors wanting to appear. Indeed...

All 14 wall-walking cameos:
https://www.youtube.com/watch?v=nQr6AOxj4c0

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Well, a man can dream... a man can dream: