QUEEN ALEENA of Mobius gives birth to triplets: SONIC, the world famous blue hedgehog; the green, punk haired MANIC, and the pink, fashion conscious SONIA. As a deadly fate is predicted for the young hedgehogs, Aleena separates the triplets to protect them. Meanwhile, the evil DR. ROBOTNIK has gained control of Mobius, and threatens the population with being "roboticized". SONIC, SONIA and MANIC search for their mother while being pursued by two of ROBOTNIK'S bounty hunters, SLEET and DINGO and an army of menacing SWATbots. SONIC, SONIA and MANIC form a rock band called SONIC UNDERGROUND and lead the rebellion against Robotnik. DUNES DAY An SU van going through the desert, in search of the nomadic tribe. It's so hot that Sonia has to use sunscreen and an electric fan, even inside the van! Suddenly the engine breaks down - and in the middle of nowhere, Manic doesn't have the tools to fix it! , No sooner have the Sonic Underground been immobilised, than an army of SWATBots attack! However, the nomadic tribe they were looking for shows up, and destroys most of the SWATBots! The leader of the tribe, Ifyoucan, has a great idea - he puts a sail on the SU van, At the camp, they discuss their objectives. But Manic gets suspicious of Ifyoucan, seeing that he always hides his face. Sonic volunteers to join the tribe - but to do so he has to pass the initiation test - which is to defeat the Kar-lek! Sonic uses his speed to wrap up the Kar-lek, leaving it helpless. However, Manic is still suspicious of Ifyoucan, and goes to investigate. He sees that Ifyoucan has been robotosized - and then gets caught by his bodyguards. They take Manic, and leave him in the desert. How will Sonic, and Sonia Find him? MUMMY DEAREST After stealing back a book engraved with the royal seal from Robotnik, the sonic trio discover that a prophet had foreseen Robotnik's takeover of Mobius, and has also foreseen his defeat! To even more surprise, it is revealed that the prophet also wrote down what he had foreseen on a scroll, which sonic and his sibling's quest for. The journey takes them through the treacherous Mobius desert and many perils and traps. But the underground prevail and locate the temple where the scroll was long hidden. In the meantime, Sleet and Dingo, also find the temple, and pretty soon, the stage is set for a battle to decide the future of Mobius.. THE HEDGEHOG IN THE IRON MASK The Sonic Underground rescue a prisoner from one of Robotnik's old prisoners - a hedgehog wearing a mask. The prisoner claims he is the hedgehogs uncle, the twin brother of Queen Aleena! But it is all just a sinister plan by Robotnik to split the Sonic Underground up. SIX IS A CROWD The Sonic Underground go and see the Oracle, who sends them to an alternate dimension, where they are the bad guys, and Robotnik is the good guy! But once Robotnik is on their side, they may be able to overthrow the bad hedgehogs and restore Mobotropolis to its former glory!