Episode Title:
An Undersea Place to Call Home!.
Episode Description:
Ash and Serena join the marine archaeologist Lindsey on an expedition to the sunken luxury liner known as the Cussler where Skrelp, Dragalge, and several marine Pokémon live. However, Team Rocket tries stealing a safe containing treasure inside the Cussler, which makes its structure begin to collapse. Ash helps the Water Pokémon who live in the Cussler prevent the Cussler from collapsing.
