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The Hedgehogs steal historical artifacts of Mobuis from Robotnik before he can pawn them off at an auction. Sonic and Sonia take one of the pieces to a university professor who informs them that the artifact is actually a bomb from the Mobian war. The Hedgehogs must act fast to retrieve the bomb and protect the treasure that is the key to Mobius past.
Episodes
1Beginnings (Origins, Part 1) 2To Catch a Queen 3Mobodoon 4The Price of Freedom 5Underground Masquerade 6Tangled Webs 7The Deepest Fear 8Who Do You Think You Are 9The Last Resort 10Come Out Wherever You Are 11Winner Fakes All 12A Hedgehog's Home Is Her Castle 13Artifact 14Bug! 15Sonic Tonic 16Friend or Foe? 17Head Games 18When in Rome... 19The Jewel of the Crown 20Three Hedgehogs and a Baby 21Dunes Day 22Mummy Dearest 23Hedgehog in the Iron Mask 24Six Is a Crowd 25Flying Fortress (Chaos Emerald Crisis, Part 1) 26Wedding Bell Blues 27No Hedgehog Is an Island (Chaos Emerald Crisis, Part 2) 28Getting to Know You (Origins, Part 2) 29New Echidna in Town (Chaos Emerald Crisis, Part 3) 30Harmony or Something (Origins, Part 3) 31Country Crisis 32Haircraft in Space 33Healer 34Sonia's Choice 35The Big Melt 36Sleepers 37Bartleby the Prisoner 38The Art of Destruction 39The Pendant 40Virtual Danger