Special episodes of the Pocket Monsters anime, initially released on Amazon Prime to boost Pokémon LEGENDS: Arceus, follow Satoshi, Pikachu, and pals as they receive a cryptic message from the ghostly Pokémon Arceus. Reuniting with their old buddy Takeshi, they venture to Mount Tengan to confront a raging Heatran and the unexpected return of Team Galactic, believed to be disbanded. The commanders aim to locate their vanished leader through an interdimensional portal. Assisted by a trio of Legendary Pokémon and Sinnoh Champion Shirona, the team faces a formidable challenge in safeguarding Sinnoh.