Pokémon Season 1 Episode 538

Pokémon Season 1 Episode 538 SerialGo Watch Online Streaming — In their travels, Ash and his friends encounter another Pokémon Ranger—Kellyn—and a Riolu. It turns out that Hunter J is hunting Riolu because of its ability to use Aura Sphere before it evolves. Ash and Riolu begin to bond through their shared Aura, but J is determined to capture it. This episode is connected to the secret mission in Pokémon Ranger: Shadows of Almia, from which players can transfer a Riolu that knows Aura Sphere to their copy of Diamond, Pearl, or Platinum.