An episode of Star Trek where this robot woman was decapitated and her head was rolling around the floor with a long tube coming out of it thrashing about like a landed fish. Still can't sleep nights.
Another Star Trek when another woman's turned into a pig's face. I can see a pattern emerging...
But surely, although it's not a TV show, Robert Helpmann as the...the...The CHILDCATCHER....aaaRGH...
If that doesn't freak you out, you were never a kid.