Sonic Frontiers Prologue: Divergence (2022)

For as long as he can remember, Knuckles has preferred to operate on his own. As the guardian of the Master Emerald, he knows every corner of his island and every secret it holds…or so he thought. A sudden discovery is about to turn his world upside down.

Unfortunately the movie Sonic Frontiers Prologue: Divergence is not yet available on HBO Max.