This follow-up to the "Transformers: Armada" series continues the saga of the mutating robots -- heroic Optimus Prime and his army of Autobots -- as they carry on their epic battles to save humanity from the forces of evil. In these episodes, they not only struggle to crush villainous Alpha Q and his Decepticon minion Scorponok, they also face a new breed of Transformers known as Terrorcons and must contend with the return of the deadly Megatron.