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

The Seaside Island of the Mirror Dimension.

Quotation1 For years, it's been theorized that a Mirror Dimension exists parallel to our own. Quotation2
Miles "Tails" Prower, "Two Good to Be True"

The Mirror Dimension is a location that appears in the Sonic Boom television series. It is an alternate dimension existing parallel to that of the Sonic Boom World.


The Mirror Dimension is nearly identical to its counterpart except that its residents are polar opposites from their Sonic Boom World counterparts personality-wise, though not necessarily in terms of alignment, and some miniscule physical differences. Its existence has been theorized for years by Miles "Tails" Prower.[1]

Known differences between the Sonic Boom World and the Mirror Dimension

  • Knuckles is the leader of Team Sonic instead of Sonic, thus making him Dr. Eggman's arch-nemesis.
  • Knuckles is more heroic and intelligent than his main world counterpart.
  • Sonic acts unintelligent in this version, similar to the main world's version of Knuckles. He also acts quite cowardly.
  • Dave the Intern is an actual member of Team Sonic rather than running Meh Burger. He uses a burger launcher as his weapon of choice.
  • Dr. Eggman wears a green jacket instead of a red one.


TV series


Much like in the Sonic Boom World, the Team Sonic of this world has continuously fought against the villainous efforts of Dr. Eggman.[1]

Season one

When Knuckles got sent to the Sonic Boom World though, the Mirror Dimension was in danger of imploding from the eroding barrier between the dimensions caused by Knuckles' departure until the Tails from the Sonic Boom World sent him back.[1]


Green Eggman Boom

Dr. Eggman wearing green is the only aesthetic difference from the Sonic Boom World.



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