Teaming up with his long lost siblings, the green, punk-haired Manic and the pink, extremely fashion conscious Sonia D, Sonic forms a rock band named Sonic Underground to cheer up the oppressed citizens of the planet of Mobius, suffering under the rule of the evil dictator Dr. Robotnik. Volume four includes the adventures, 'Artifact', 'Bug!', 'Sonic Tonic' and 'Friend Or Foe?'.

Please note this DVD is region 2 and will only work in the following regions Japan, Europe, South Africa, the Middle East (including Egypt) and Greenland, Unless you have a multi-regional DVD Player.