Directed by Richard Fleischer | Starring: Raquel Welch, Donald Pleasence, Stephen Boyd, James Brolin

The science of miniaturization has been unlocked, and the army has big plans. But when a scientist carrying the secret of the process is injured in a surprise attack, a life-threatening blood clot puts him into a coma. Now, a team of adventurers will have to use the technology to travel inside his body and destroy the clot.