索尼克在绿丘镇安顿下来之后，就急着要证明自己有能力成为一名真正的英雄。当蛋头博士带着全新的搭档纳克鲁斯，又回来寻找一块力量强大足以毁灭人类文明的翡翠的时候，他就面对了另一个严峻的考验。这次索尼克和他自己的跟班塔尔斯携手合作，一起踏上一场环游世界的冒险旅程，希望能在那块翡翠落入坏人手中之前先找到它。
After settling in Green Hills, Sonic is ready for more freedom, and Tom and Maddie agree to leave him home while they go on vacation. But, no sooner are they gone, when Dr. Robotnik comes back, this time with a new partner, Knuckles, in search for an emerald that has the power to both build and destroy civilizations. Sonic teams up with his own sidekick, Tails, and together they embark on a journey to find the emerald before it falls into the wrong hands. Being directed by Jeff Fowler, and starring Jim Carrey, James Marsden, and Ben Schwartz.
