The Golden Knight of Seaquestria

The Golden Knight of Seaquestria is a new movie.

Summary
Twilight tells Bumblee, Sideswipe, Jestorm, Fixit, and Slipstream about Seaquestria and they go to see it for themselves. But the underwater kingdom becomes under the attack of a Decepticon fugitive, it's up to Bumblebee to save Princess Skystar from her clutches.