Watch Beyblade: Metal Masters Online

A new cast of characters take on the continued battle between good and evil. Ginga, our hero, and his group of loyal friends take on a dangerous group called the Dark Nebula. The Dark Nebula’s sole mission is to take over the world and unleash their evil upon it; but before they can do so, they must destroy Ginga as he is the only person that’s strong enough to stand in their way. The plot thickens as friends become enemies and enemies become allies. Everything starts and ends with Ginga as he struggles to find the strength to defend his world and the honor of Beyblade. (Source: Beyblade.com)

In the Cosmos, a strange phenomenon has occurred. One day, Gingka and Co. help Yuki, a boy who is attacked by Johannes, a mysterious youth. Even though Yuki is a boy genius and an astronomer, he is a Blader who owns “Anubis”. Yuki says that he has come to tell Gingka and his friends about the voice of the Star Fragment. He witnessed the Star Fragment (a meteor) fall from the sky one day. That single light dwells within Anubis and he says that he heard the voice of the Star Fragment that evening. A great evil is trying to revive "The Black Sun” and "Nemesis", the God of Destruction, by using the unknown power of the Star Fragment and with that Gingka and Co.'s new adventure begins! (taken from beyblade.fandom.com)