I, am Optimus Prime, and this message is to my creators: Leave planet Earth alone, because I’m coming for you. Featured in: Transformers: Age of Extinction (2014) Performance by: Peter Cullen ...

But it turns out that they are aided by another alien robot who is searching for Optimus Prime. Cade Yeager, a "robotics expert", buys an old truck and upon examining it, he thinks it's a Transformer.