After an absence of five years, six times Mr. Olympia winner Arnold Schwarzenegger makes a comeback and attempts to take the World Body Building Championship for the 7th time.

After an absence of five years, six times Mr Olympia winner Arnold Schwarzenegger makes a comeback and attempts to take the World Body Building Championship for the 7th time.

Amateur and professional bodybuilders prepare for the 1975 Mr. Olympia and Mr. Universe contests as five-time champion Arnold Schwarzenegger defends his Mr. Olympia title against Serge Nubret and the shy young Lou Ferrigno.