Pokémon Horizons: The Series

Nanjyamo asks Dot to come visit her in Hakko City, where a high number of pranks have apparently been played on Pokémon lately to scare them. When Dot checks the footage of these pranks, it turns out they're actually being played by a Maggyo?! It's quite fast too... could this be due to it being affected by Rakulium? Dot heads downtown to investigate, where she encounters...?!