Plot: Arnold Schwarzenegger breaks down his most iconic characters, including his roles in 'The Terminator,' 'The Terminator 2: Judgement Day,' 'Predator,' 'Batman & Robin,' 'Pumping Iron,' 'Conan the Barbarian,' 'Twins,' 'Kindergarten Cop,' 'Jingle All the Way,' 'Total Recall,' 'True Lies' and 'Terminator: Dark Fate. '