Sonic Underground Complete Series DVD Collection.br Sonic the Hedgehog aka Sonic SatAM.br Syndication 1999. 40 Episodes. br Based on Sonic the Hedgehog by Yuji Naka, Naoto Ohshima and Hirokazu Yasuhara.br Animated Series. Cartoon Series.br NCircle Entertainment.br amazon.combr Unboxing.br Review.