Pikachu, What's This Key?
2014
Adventure, Animation | 19 July 2014
Ikue Otani, Megumi Satou, Yuji Ueda
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?