The Persistent Challenger (不屈の一角獣(チャレンジャー), Fukutsu no charenjā) is the second episode of Beyblade: Metal Masters and 53rd episode of the Metal Saga. The French dubbed version was first shown on June 6, 2011 on Canal J in France. The english dubbed version was first shown on July 26, 2011 on Cartoon Network in Australia. It aired in North America on September 3, 2011. It featured Ray Striker D125CS.