Pokémon Season 16 Episode 50
After encountering the Mock Kelp Pokémon Skrelp on the Muraille coastline, Ash and his friends join two marine archaeologists on an expedition to the sunken luxury liner known as the Cussler where Skrelp, Dragalge, and several marine Pokémon live. However, Team Rocket has their sights set on capturing all of the Pokémon that call the Cussler home.
Serie: Pokémon
Episode Title: An Undersea Place to Call Home!
Air Date: 2014-11-20