Beyblade: Metal Fury

Metal Fight Beyblade 4D is the third season of Beyblade: Metal Fusion and the sixth season of the Beyblade anime. It aired April 3, 2011 in Japan at 8:30 A.M. It is based heavily on the 4D Beyblade system. A manga of the same name was released as well as a new intro titled Brave Heart.

It is preceded by Beyblade: Metal Masters

Synopsis
Official Synopsis

Main Characters
Gingka Hagane: Gingka returns in a new adventure to help a new Blader, Yuki to stop a grave evil from commencing with his Big Bang Pegasis F:D.

Yuki Mizusawa: A boy genius and an astronomer who owns a Bey called Anubius. Anubius has light from the Star Fragment that created the original Pegasus and L-Drago. Together with Gingka and co. they have to stop the Black Sun and Nemesis.

Kenta Yumiya: Kenta returns with an updated design with his Flame Sagittario C145S.

Benkei Hanawa: Benkei returns ready to Beyblade once more with Dark Bull H145SD.

Kyoya Tategami: Kyoya returns with a new Bey, Fang Leone 130W2D and a new clothing design.

Madoka Amano: The team's Beyblade mechanic returns ready to help with an updated design.

Ryuga: Ryuga is back and ready for the search with his new Beyblade, L Drago Destroy F:S.

Villians
Johannes: A mysterious youth who attacks Yuki. An affiliate of the Black Sun who battles with Beat Lynx TH170WD.

The Black Sun: A villian in Metal Fight Beyblade 4D. Not much is known about it and it's Beyblade might be Nemesis.

Nemesis: The God of Destruction and a villian in Metal Fight Beyblade 4D. Possibly the Beyblade of the Black Sun.

Other
The Star Fragment: The meteor that created the original Pegasus and L-Drago had another meteor fall from the sky. A single light of it dwells inside of Yuki's Beyblade, Anubius and it's unknown power could be used to revive the Black Sun and Nemesis.

List of Episodes

 * Fragment of the Star
 * Legend Blader
 * The Mysterious Lynx Cat
 * L-Drago Destroy
 * Awakening! Anubius
 * The Qualifications of a Warrior
 * Kenta's Determination
 * The Crimson Flash
 * The Strongest Tag-Battle, the Gateway to Success
 * A New Roar!
 * Big Bang Tornado
 * Kronos, The Saturn God
 * Showdown! The Tower of Babel!
 * Rebirth! Team Dungeon!
 * Sphere 360
 * Finished! The New Unicorno
 * I Am The Champion!
 * The Labyrinth of Mist Valley
 * The Lion's Pride
 * Dynamis, Guardian of the Temple
 * The Legend of Nemesis' Revival
 * The Warriors of the Four Seasons
 * The Battle of Bey Star Island

Trivia

 * This season introduces the 4D System; A system focused on Gimmicks for beys like Mode Changes. These beys vary between 3 and 7 layers.