Code Lyoko

Code Lyoko (2003)

Season 1

9.3

2003 • 26 Episodes

Season 1 of Code Lyoko premiered on September 3, 2003

After discovering a parallel universe hidden inside a supercomputer, four students must stop a renegade virus from destroying the secret world.

Season 2

9.3

2005 • 26 Episodes

Season 2 of Code Lyoko premiered on August 31, 2005

The Lyoko Warriors have their work cut out for them as XANA gains power, with an ability to possess humans and create even more mayhem on Earth.

Season 3

9.2

2006 • 13 Episodes

Season 3 of Code Lyoko premiered on September 9, 2006

As Season 3 opens, XANA has escaped from the supercomputer and is bent on destroying Lyoko so that the Warriors will be unable to stop his evil plots.

Season 4

9.3

2007 • 30 Episodes

Season 4 of Code Lyoko premiered on August 13, 2007

Jeremy and Aelita must rebuild a new Lyoko to replace the one XANA maliciously destroyed at the end of the third season.