Calling from Beyond the Aura! : Season 17 Episode 33

On their way to Must Mountain for Corni's special training, our heroes enter a winding cave where they encounter a swarm of agitated Onbat--stirred up by the Rocket-Dan trio in one of their schemes. In the confusion, the friends get separated: Satoshi, Serena, Eureka, and Lucario end up at one entrance to the cave, while Citron, Corni, and Pikachu are at the other. The villains take advantage of the opportunity to strike against Citron's group, and thanks to the "Mecha Evolution" devices attached to the Rocket-Dan Pokémon, they quickly get the upper hand. Meanwhile, ...