This story is a sequel to Transformers Prime: A Brave New World

It has been three years since the Autobots have left Equestria. In that time, tragedy struck the peaceful planet. The Decepticons returned, capturing Canterlot and Princess Celestia. In the ensuing chaos, Cadence and Twilight transformed Ponyville into a fortress, shielded from orbital bombardment by Discord. With Luna missing, can Optimus and his expanded army of Autobots liberate Celestia, Equestria, and finally free the planet?

(Hasbro and Lauren Faust own everything!)

After the Decepticons discover energon on a distant planet, Optimus Prime and the Autobots arrive in Ponyville, quickly attracting the crown's attention. Now it is up to the Autobots and their newfound friends to protect Equestria from the Decepticons. However, as they continue their battle, Optimus and the others discover the bonds between their worlds run deeper than either believed. Can the Autobots and their newfound companions end their centuries long conflict and spare Equestria from the violence that destroyed Cybertron?

(TFP/FIM takes place after season 5. Edited recently)

(Transformers is copyright hasbro. MLP is copyright hasbro and Lauren Faust.)