When does Code Lyoko return?

The series centers around a group of teenagers who travel to the virtual world of Lyoko to battle against X.A.N.A., a hostile artificial intelligence. The scenes in the real world employ traditional animation with hand-drawn backgrounds, while the scenes in Lyoko are presented in 3D CGI animation. The series began its first 97-episode run on September 3, 2003, on France's France 3, and ended on November 10, 2007, and on Cartoon Network in the United States on April 19, 2004. A follow-up series, Code Lyoko: Evolution, which used live action footage, began airing in 2012.