Pokemon Season 13 - Episode 643 – Bucking the Treasure Trend!

On their way to the Sinnoh League, Ash & Co. meet up with Flint's brother, Buck. Buck is a treasure hunter and is eager to find treasure on a nearby island. Buck requests the assistance of Ash & Co. in finding this treasure. However, Team Rocket also overhear this information and decide to get the treasure for themselves. Will Buck managed to beat them to it?