Sonic Medley: Have A Chaotic Time To Travel

Sonic Medley: Have A Chaotic Time To Travel is series special that takes place after the events of Sonic X season 3, but also featuring characters from Sonic the Hedgehog (TV series), Sonic Underground, Sonic Boom (TV series), Sonic Unleashed, the Archie and IDW comics, and Mario & Sonic at the Olympic Games.

Synopsis
The timeline has been altered. A new face arrives on Earth destroying everything to do with Dr. Eggman and his grandfather, Gerald Robotnik. But when the newcomer comes Mobius, Sonic, friends and Shadow are in for the shock of their lives to discover that this new face is someone the Ultimate Lifeform hasn't seen in over 50 years. Who is this mysterious Freedom Fighter, and why does she seem so familiar?