Private Parts, 1972. A bit amateurish but had a good creepy factor. And Chip from My 3 Sons.
https://www.youtube.com/watch?v=N8d6_jf5...ex=24&t=0s
https://www.youtube.com/watch?v=N8d6_jf5...ex=24&t=0s
Being told you're delusional does not necessarily mean you're mental.