Pikachu, What's This Key? (19/07/2014)

Production : Pikachu Project, The Pokémon Company, Shogakukan, TV Tokyo, TakaraTomy, jeki, OLM, Shogakukan-Shueisha Productions

Synopsis

Appearing before Pikachu and friends is the keyring Pokemon, Klefki. Inserting a mysteriously shaped key into the keyhole floating in the air, a very mysterious portal appears! Klefki has the key to go to various worlds. What kind of world will the key that Pikachu holds lead to?