Dr. Sex (also known as Dr. S- in the United States) is a 1964 American film directed by Ted V. Mikels, from a screenplay by Mikels and Wayne Rogers, who both also produced the film. The film follows three sex researchers, who discuss their strangest cases. Mikels said the film was originally called The Doctors and was based on an idea of Rogers', who had been impressed by Mikels' first film, Strike Me Deadly.