In the second act, when Dr. Bellows goes to the malt shop, it appears that his niece, Sheila (played by Judy Carne) is dancing in the background. Sheila appeared in season one's episode, Is There an Extra Jeannie in the House? (1966).
The concept of an "automatic house" was used three years earlier in another Screen Gems production, A Is for Aardvark (1965).