[1] The first season, entitled Code Geass: Lelouch of the Rebellion (コードギアス 反逆のルルーシュ, Kōdo Giasu: Hangyaku no Rurūshu), premiered on Mainichi Broadcasting System on October 6, 2006, and was broadcast by a total of ten stations.
[3] It was followed by Code Geass: Lelouch of the Rebellion R2 (コードギアス 反逆のルルーシュ R2, Kōdo Giasu: Hangyaku no Rurūshu R2) which aired on April 6, 2008, and was broadcast on sixteen stations.
[5] Since its premiere in Japan, Lelouch of the Rebellion and R2 were licensed by Bandai Entertainment and dubbed by ZRO Limit Productions.
[10][11][12] Both seasons have also received localizations in other languages such as French, German, Italian, and Tagalog.
Following Lelouch of the Rebellion and R2 were four individual original video animations (OVA), and an OVA series titled Code Geass: Akito the Exiled (コードギアス 亡国のアキト, Kōdo Giasu: Bōkoku no Akito).