In the aftermath of the war, there are Decepticons still on the loose. Optimus Prime chases Megatron to a primitive world called Equestria, where they and their respective crews do battle.
The hedgehog trio displaced. Three brothers going as them end up in the techno colored world. All thats missing is Edritch Abominations aand a mad scientist.
In an Alternnate Universe the Mane 6 were unable to defeat Tirek, sensing Tireks immense power Goku uses Instant Transmission to go to Equestria to face him.