At the Code Geass 10th anniversary event on Sunday, it was announced that the series will be receiving a new anime. Titled Code Geass: Fukkatsu no Lelouch (Code Geass: Lelouch of the Revival), the new anime will take place a few years after the events of Zero Requiem. In addition, a three-part compilation film series of the previous Code Geass anime has been planned for January 2017. The voices will be redubbed for the movies, which will also include new scenes.
Code Geass: Hangyaku no Lelouch is an original anime series produced by Sunrise, directed by Gorou Taniguchi with original character designs by manga artist group CLAMP, which aired in 25 episodes between October 2006 and July 2007. A sequel titled Code Geass: Hangyaku no Lelouch R2 was subsequently developed due to the immense popularity of the first season, also airing in 25 episodes between April 2008 and September 2008. An OVA Code Geass: Nunnally in Wonderland was released in July 2012. A spin-off movie series titled Boukoku no Akito was announced in April 2010, which screened in 5 parts from July 2012 to February 2016. The series was initially licensed by Bandai Entertainment for North American distribution before FUNimation re-licensed it in August 2013.
Source: https://myanimelist.net/news/48730830