Comic sci-fi about a beautiful extraterrestrial who comes to Earth to try to reverse the effects of an interplanetary ray that has altered the gravity of her home planet. When she finds the eccentric widowed scientist who created the ray, she woos and marries him in order to discover his secrets - which he seems to have forgotten. Only the scientist's young daughter suspects her new stepmum's alien origins.
My Stepmother is an Alien is a Film programme that first aired in 1988 and has been classified a 15 certificate.
