The burping giant space cell that smacked Spock on the back freaked me out as a kid. Then when it fried? Ewwww!
But tonight, with my pumpkin lit and in the window, after ABC re-airs the Charlie Brown Halloween special, I'm going to rewatch "Wolf in the Fold," penned by Robert Bloch, screenwriter for "Psycho." (And also "Catspaw"!)