Pokemon: Season 14, Episode 64

14 - 64: Explorers of the Hero's Ruin!

Professor Juniper's father Cedric arrives at Chargestone Cave where he reveals that he is trying to find some ruins nearby that are said to be related to the Hero's Legend and Zekrom. Ash, Iris, and Cilan are eager to see the ruins as well as ask Cedric if they can join him. He agrees and they all set out for the ruins. Once they get there they get more than they bargained for when they stumble upon trap after trap on their way to ruins secret treasure.