Episode Title:Cosmic Rust.Episode Description:When Megatron becomes infected with a plague that threatens to wipe out entire races of robots, he decides to kidnap Perceptor and force him to cure him of his infection. But of course, even if Perceptor gives him the cure for this plague, Megatron has no intention of maintaining his part of the bargain. When Megatron is cured, he uses the same plague as a weapon against Perceptor and the other Autobots. But will the Autobots be able to get the antidote for the infection before it's too late?