Sonic, Knuckles, and Tails reunite against a powerful new adversary, Shadow, a mysterious villain with powers unlike anything they have faced before. With their abilities outmatched, Team Sonic must seek out an unlikely alliance.
Mufasa, a cub lost and alone, meets a sympathetic lion named Taka, the heir to a royal bloodline. The chance meeting sets in motion an expansive journey of a group of misfits searching for their destiny.