Japanese Title: Double Battle! Pikachu & Waruvile VS Pendror & Gamageroge!!
Original Airdate: February 2, 2012
US Airdate: June 9, 2012
When a collision between Pikachu and Sunglasses Krokorok separates them from the twerps, they end up pressed into battle to help some kids who are being bullied. But when the smoke clears, the reason why Krokorok has returned can finally be attended to: Krokorok has tracked Pikachu across Unova to settle a score.
This episode contains examples of the following tropes:
- Been There, Shaped History: Not only has Krokorok been following Ash this whole time, it turns out he was the one responsible for getting that pen stuck in the gears of the Klinklang back in Chargestone Cave.
- Big Brother Instinct: A minor one showed by Ash towards Mick.
- Critical Research Failure: At first, Mick somehow decides that Pikachu must be a pre-evolved form of Zekrom. Granted, Pikachu is not native to Unova so he's never heard of it until now, but it's still an insane conclusion to draw.
- Determinator: Krokorok has been following Ash all this time just so it can have another battle with Pikachu.
- Now What?: After he's defeated, Krokorok looks like he's having an existential crisis. Then Ash offers him a spot on his team.