The Truth About Light and Darkness
Phoenix, who is really Ryo Hagane, helps to rescue Yu. Then he explains to everyone about the orgin of beys, starting with Pegasus and L-Drago. Meanwhile Doji comes across Ryouga who is anxious for more power and knows where to get it.
Aired 07/03/2010EP 48 - The Truth About Light and Darkness

Beyblade: Metal Fusion
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)