While the Lyoko Warriors prepare to take advantage of a sunny afternoon, XANA launches an attack, sending them a polymorphic specter disguised as...them, constantly changing its appearance!

After the open-ended finale of the original Code Lyoko was released in 2007, fans were pleading with Moonscoop, the series' production company, to continue with this amazing, underrated series.

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After discovering a parallel universe hidden inside a supercomputer, four students must stop a renegade virus from destroying the secret world. Code Lyoko Season 1 aired on September 3rd, 2003.