Sonic flies into a frenzy and knocks Dr. Eggman into a wall while the computers cry out a warning that the Annihilator has experienced a meltdown and everything in the immediate area will be vaporized. Aware that they'll likely die and have nothing left to lose, Sonic and Eggman begin their final battle
Edit: I made this with the idea that veteran Sonic voices would reprise their roles and that DCAU alumni would work on it.