sonic78Official Solicitation. The third and final act of the EPIC SONICMEGA MAN CROSSOVER EVENT begins here! Worlds Unite Part Nine: Sma has begun his conquestSo Long Sonic is the seventy-ehth and final episode of the anime series, Sonic X. It first aired on 18 April 2005 and 6 May 2006 in France and the United States, respectively. Characters: Sonic the Hedgehog Miles Tails Prower Knuckles