With the discovery of the anthropomorphic animals from the Planet of ARK, the Imperator Alicorns from deep space, and the New Federation of Equestria from the Planet of Sol have allied with United Animal Council the ruler body of the Planet of ARK. This alliance was formed in response to the threat of 'the Echoes,' a mysterious alien race. This race uses AI-controlled drone warcraft to fight their space-bound war against their enemies.

After Grand Solar Princess Aurora Silverlight and her Shadow cat bomber fighter flight took out a Cyclope mother ship (the controlling computer), every Buzzers mother ships in Imperator Alicorns space self destruct. But this victory came at a cost several Imperator Alicorn Aerospace Fighters squadrons and their pilots are down for repairs and recovery after the battle. Now an Imperator Alicorn listing post has picked up another set of mysterious chirping from a different region of the space.

The chirping is coming from green and a lush planet with tropical jungles, swamps, insects, and small animals. The environment reminds the morphs of a world from their books about millions years ago called earth went creature called dinosaurs lived there. They name this planet Sauria. It seems the inhabitants of this planet are in a state of unrest, and the science team has no idea why.