From Gold’s Gym in Venice Beach, California, to the showdown in Pretoria, amateur and professional bodybuilders prepare for the 1975 Mr. Olympia and Mr. Universe contests. Five-time champion Arnold Schwarzenegger defends his Mr. Olympia title against Serge Nubret and the shy young Lou Ferrigno.

Dazzling moviegoers with his out-of-this-world physique, Arnold Schwarzenegger flexes his way to Hollywood superstardom in this boyuant look at the world of competitive bodybuilding. Setting off a fitness craze in the US, Pumping Iron explores the sheer pleasure of pushing one’s body to the limit.