In the film, Meowth operates as part of Team Rocket. During a mission, the team discovers the Prison Bottle containing Hoopa's sealed power and attempts to seize it. Upon touching the bottle, Meowth becomes possessed by the malevolent energy of Hoopa's shadow form trapped inside. This possession visibly transforms him, marked by glowing crimson eyes and a distorted voice, signifying the shadow entity's complete control. Under this sinister influence, the entity compels Meowth to unseal the Prison Bottle, unleashing Hoopa's unrestrained power. This act directly enables the shadow entity to manifest independently as the destructive force Hoopa Unbound. The bottle itself shatters during the resulting chaos, permanently freeing the shadow and intensifying the central conflict. With the bottle destroyed and the shadow entity released, the possession abruptly ends. Meowth reverts entirely to his normal state, free from the shadow's grasp. He plays no further part in the movie's events following this critical sequence.