Fantastic Voyage Kids T-Shirt

To save his life, agent Grant, pilot Captain Bill Owens (Redfield), Dr. Michaels (Pleasence), surgeon Dr. Peter Duval (Kennedy), and his assistant Cora Peterson (Welch) are placed aboard a Navy submarine (originally built to study the deep-sea spawning habits of fish) at the Combined Miniature Deterrent Forces facilities. The submarine, named Proteus, is then miniaturized to "about the size of a microbe", and injected into Benes. The team has 60 minutes to get to and remove the clot; after this, Proteus and its crew will begin to revert to their normal size, become vulnerable to Benes's immune system, and (in the words of Asimov's novelization) "kill Benes regardless of the success of the surgery.