

In order to save an assassinated scientist, a submarine and its crew are shrunk to microscopic size and injected into his bloodstream.
Visual Effects
Oscar-winning miniaturization that still looks trippy.
Production
Giant sets of veins and heart valves, pure 60s imagination.
Costume
Those shiny white bodysuits are camp fashion history.

Director
Richard Fleischer
Trivia, insights & behind the scenes
Isaac Asimov wrote the novelization in six weeks because he hated the screenplay's scientific inaccuracies so much he wanted to fix them.
This film single-handedly convinced a generation that the human body is basically a water park with murder antibodies.
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