Team Sonic is a team of Sonic characters that first appeared in Sonic Heroes. It consists of Sonic the Hedgehog, Miles "Tails" Prower, and Knuckles the Echidna.

In Super Sonic Mario Bros., Eggman has stolen all the Chaos Emeralds and is using to power his latest invention the Genesis Generator a device that could warp reality into the way Eggman wants it to be. However, Team Sonic was ready to stop Eggman. The fight became so intense that the machine malfunctioned, sending Eggman's base and Team Sonic into another dimension: the Mushroom Kingdom. Team Sonic's only hope to get back to their dimension is to get all of the Chaos Emeralds. But Eggman has teamed up with the evil king Bowser, and they plan to get all of the Chaos Emeralds first so they can use the Genesis Generator to warp reality of both of their universes into ones they rule! Team Mario and Team Sonic must work together to stop the new danger to both dimensions.