LOL
I agree with much of what you said. I never saw the episode you mention, but Goober, and especially Gomer, were pretty high on the creepmeter for me. I liked Barney and Ernest T., and the Darlings were great.
If I’ve done the links right, you can watch the Mr. McBeevee episode here:
Part One. http://www.youtube.com/watch?v=ztKgBeJKLiM
Part Two. http://www.youtube.com/watch?v=Dl7cG3t1QRY
Part Three. http://www.youtube.com/watch?v=15BYCYsn-OU