Celebrity Trivia: What documentary featured actor/Governor Arnold Schwarzenegger competing for the Mr. Olympia competition?

Arnold Schwarzenegger has lived an extremely exciting life - world champion body builder, actor and Governor of the largest state in the U.S.  More recently, however, he's been in the news for his extremely negative actions - like having an affair with his maid and impregnating her.  Of course, that wasn't the first time Arnold was in hot water - his misdeeds and behavior were recorded in a famous documentary that Schwarzenegger competing for the Mr. Olympia competition.  From Pocket Trivia: Celebrity Trivia:  What was the name of that documentary?  Was it:

• Terminating
• Pumping Iron
• Road to California
• The Governator