When Agnes opens the doors to communicate, there are a few phrases that apparently make no sense. AUT AMAT AUT ODIT FEMINA is Latin for "a woman either loves or hates". Also T'MA ZHILI BYLI and V TUMANE are stories by Russian author Leonid Andreyev. They translate to "Once There Lived", and "In the Fog", both controversial stories about women's sexuality.
This particular story about a lovelorn man and a computer was originally broadcast on St. Valentine's Day.
The music heard early in the episode and in different variations throughout the episodes, is titled "The Cuckoo Song". Also known as "Dance Of The Cuckoos", it is perhaps best known as the theme music from the Laurel and Hardy comedy films of the early to mid 1900s.
This episode included one of the first references in a TV series to "Cape Kennedy," renamed from Cape Canaveral in December 1963 only two months before this episode aired on February 14, 1964.
While they are in Walter's apartment he mentions he wanted to drive a "Mustang 500" sports car.
This episode was broadcast on February 14, 1964.
The 1964-1/2 Ford Mustang was first introduced to the public on April 17, 1964 at the New York World's Fair, although there had been Mustang concept cars in 1962 and 1963.
The Shelby GT500 Mustang was first produced for the 1967 model year.