When does Code Geass: Lelouch of the Rebellion R2 return?

Code Geass: Lelouch of the Rebellion is a Japanese anime television series. Set in an alternate timeline, it follows the exiled prince who obtains the "power of absolute obedience" from a mysterious woman named C.C. Using this power, he leads a rebellion against the rule of the Holy Britannian Empire, commanding a series of mecha battles. The series has also been adapted into various manga and light novels, with the former showing alternate scenarios from the TV series.