"Harmonic Sonic" is the eighth episode of the Sonic the Hedgehog television series. It was written by David Villaire and was first aired on 30 October 1993.
When Robotnink launches a Spy-Orb that will uncover the Freedom Fighters' Knothole location, Rotor launches them up to the orbiting spy-sphere aboard a home-made rocket powered by Robotnink's discarded booster engine that fell in the Great Forest. Once aboard the heavily guraded sphere, Sonic and Rotor must find the spy sensors before they locate Knothole.
In one scene Antoine's eyes are smaller than usual, also the fur around them is beige.