Sonic, Knuckles and Tails reunite to battle Shadow, a mysterious new enemy with powers unlike anything they've faced before.

With their abilities outmatched in every way, they seek out an unlikely alliance to stop Shadow and protect the planet.

Dir: Jeff Fowler
Voices: Jim Carrey, Ben Schwartz, Colleen O’Shaughnessy, Idris Elba, Keanu Reeves