Sonic Underground
Sonic, Manic and Sonia are told that ships are sinking due to the Mobian sea-beast.
Sonic, Manic and Sonia are told that ships are sinking due to the Mobian sea-beast.
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Sonic is forced to compete against Robotnik in the Robolympics to save the village.
Coconuts' mistake gives Robotnik superpowers; the new Super Robotnik challenges Sonic to a fight.
Sonic comes to the rescue of a town that is being held ransom by a crime syndicate.
Robotnik constructs a coach robot in an attempt to increase Scratch, Grounder and Coconuts' fitness.
Robotnik decides to cripple Mobius' three transit systems to gain control of the planet.
Sonic, Wes Weasley and Sergeant Doberman attempt to breach the defenses of Robotnik's new fortress.
The robots rip open a door to an alternate dimension, and a blob creature falls into Tails' hands.
Sonic suspects Robotnik when he wakes up and finds his shoes gone.
Grounder makes a bet with Scratch that he can catch Sonic first.
Sonic rescues Captain Rescue; Rescue is tricked by Robotnik into capturing Sonic.
Tails wants to join a family, so he looks for a billboard of a family looking for their missing son.
Professor Dinglehopper's growth gun malfunctions and creates a cloud of growth gas.
Big Griz, leader of a group of biker-bear rebels, mistakes Scratch and Grounder for Sonic and Tails.
Sonic and Tails learn the story of Lucas and Lucinda.
Salesman Wes Weasley is selling weapons made by H.D.S.V.A.D.L.
After a song about Sonic becomes popular, Robotnik bans music.
Sonia is invited to a debutante ball, but she and her brothers must go on a mission first.
Sonic, Manic and Sonia stumble upon an oasis called Lake Valley Resort.
Queen Aleena's journals are buried in the city of Tashistan; Sonic and his siblings search the city.
Sonic, Manic and Sonia are told that ships are sinking due to the Mobian sea-beast.
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