Pokemon Best Wishes! Season 2: Decolora Adventure - Dent to Takeshi! Gyarados no Gekirin!!

After parting ways with Ash, Cilan travels through Johto with Pansage and stops to fish, only to hook a furious Gyarados. The battle leaves Pansage injured, forcing Cilan to hurry to the nearest Pokémon Center for help.

There he unexpectedly meets Brock, another former traveling companion of Ash and an experienced Pokémon doctor in training. When Gyarados begins rampaging again, the two specialists combine their very different talents to calm the powerful Pokémon and uncover what is driving its rage.