Combined Miniature Deterrent Forces A medical and science crew board a submarine and are miniaturised and injected into an important foreign scientist's body. The mission is to remove a blood clot on his brain that was suffered during an assassination attempt. Once shrunk and in their new bodily world, the team must battle the body's defence systems as well as avoiding trouble with the major o...

I remember I really liked this movie when I was a teenager, along with the novel by Isaac Asimov that was based on the screenplay. (I never read the original story they based the screenplay on.) It was adventurous fun. I don’t recall if I was titillated by the presence on the cast of Raquel Welch, though they showed great restraint in having her covered up most of the time by the special submarine...