We all know that if Schwarzenegger shows up in a movie, it's guaranteed to feature some good science. Or is it? We take a look at the back catalogue of Mia's favourite action star to see just how good his movie science is. Is cold mud a good way to hide from predators? Could Arnie really give birth to a baby? What possible use is there for a pensioner cyborg? Listen to Space Gravy to find out!