Team Plasma's Pokémon Power Plot!
S16, E15: Ash and the gang learn that the mysterious organization Team Plasma experiments on Pokémon using magnetic waves, but in the gang's attempt to investigate, their Pokémon turn on them.
S16, E15: Ash and the gang learn that the mysterious organization Team Plasma experiments on Pokémon using magnetic waves, but in the gang's attempt to investigate, their Pokémon turn on them.