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.
Colleen O’Shaughnessey is the only voice cast member from the Sonic the Hedgehog games to reprise her role for the films. “It’s just unbelievable and joyous and beautiful and amazing,” Colleen O’Shaughnessey told TheWrap. “All the excitement and love I’ve received from the fans has been so gratifying, with all these tweets telling me they were hoping that I would get to play Tails in this film. They’ve had my back and have been so supportive since the beginning.”