When does Fullmetal Alchemist: Brotherhood return?

Fullmetal Alchemist: Brotherhood is a Japanese anime television series. It is a faithful adaptation of the original Fullmetal Alchemy manga series. The series was broadcast for sixty-four episodes on MBS–TBS from April 2009 to July 2010. It was first licensed in North America by Funimation and was broadcast English-dubbed on Adult Swim from February 2010 to September 2011.