Sonic: Nazo Unleashed

- Season 1

(2006)

While guarding the Master Emerald, Knuckles discovers that it contains a new creature, but before he realizes it, this new foe steals the Master Emerald and makes Angel Island to fall down of the sky. This new creature name is Nazo, an embodiment made of the negative components of the Chaos Emeralds, his plan is to steal all the Emeralds to become more powerful, but it's time for Sonic and his friend to stop him before it's to late.

After the lost of his friends, Sonic must transform into his super form to defeat Nazo. But then Shadow joins in to help him.

It's the final showdown, Sonic, Shadow, Tails and Knuckles must defeat Nazo before he destroys the earth.