Sonic Underground (1999)

S1E16 Friend or Foe?

The Hedgehogs gather on the Floating Island, hoping to locate their Mother. Meanwhile, Sleet and Dingo also have their eyes on the island, drawn by its connection to the Chaos Emerald, the source of its vitality. However, before anyone can realize their ambitions, they must first contend with Knuckles, the island's tough protector.