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Seaside Island (Mirror Dimension)

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This location exists primarily or exclusively within the Sonic Boom continuity.
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.

Seaside Island is a location that appears in Sonic Boom television series. It is an alternate version of Seaside Island from the Mirror Dimension.[1]


TV series


Not much is known about this place, except that it has its own Team Sonic, lead by Knuckles the Echidna, who has protected it from Dr. Eggman.[1]

Season one

During Eggman and his Octopus Bot battle with Team Sonic on the island, Knuckles got sent to the Sonic Boom World by Octopus Bot by accident. Fortunately, Knuckles returned in time to help Sonic when he was corned by Crab Bots.[1]



  • Seaside Coast[1]


  • Sonic's Shack[1]


  1. 1.0 1.1 1.2 1.3 1.4 Moarbes, Charles-Henri (23 July 2015). "Two Good to Be True". Sonic Boom. Season 1. Episode 35. Cartoon Network.

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