It's got my vote as the best footage I've seen. Certainly the best effects imaginable, even in the late 1960s.

If that's when it was actually filmed/created...

Since I've never seen it before, I strongly doubt that...

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I am Mugs, of the Alien clan of Usa, Nordamerica, a Terran, of Sol.

Perception isn't reality. It's merely an abstraction thereof, and quite often not a very good one at that.

I am human. Fully human.