When does Beyblade: Metal Fusion return?

Beyblade: Metal Fusion was serialized in Shogakukan's monthly magazine CoroCoro Comic between September 2008 and February 2012. The manga inspired an anime production, retroactively named BeyBlade: Metal Saga. The first season’s animation was produced by Tatsunoko Pro, with subsequent seasons and spin-offs being produced by SynergySP. It premiered on TV Tokyo on April 5, 2009, and aired until December 23, 2012.