When does Fullmetal Alchemist: Brotherhood return?

Fullmetal Alchemist: Brotherhood is a Japanese anime television series. It is the second adaptation of the Fullmetal Alchemy manga series by Hiromu Arakawa. The series was produced by Bones, directed by Yasuhiro Irie, written by Hiroshi ?nogi and composed by Akira Senju. It was broadcast for 64 episodes on MBS–TBS from April 2009 to July 2010. It has received critical acclaim and is widely considered to be one of the greatest anime series of all time.