MY LITTLE PONY NIGHTMARE KNIGHTS (2018)

"Princess Luna and the Nightmare Knights face the ultimate test! With the fate of the heist-and Luna's powers-in the hands of Eris, will the bond between sisters be enough to overcome her chaotic plans?! The quest for Luna's stolen magic reaches its epic conclusion! Tables turn and truths are brought to light as the Nightmare Knights' heist comes to a close!"

"The best-laid plans of ponies often go awry-and as the heist begins to fall apart, Luna's knights are put to the ultimate test. With teammates turning and new revelations coming to light, will the Nightmare Knights ever be able to defeat Eris and return Luna's powers? The past of new villain Eris revealed!"