Ep. 50: Kuzumo and Dramidoro Discover the Undersea Castle Home
Aired on November 20, 2014

50
Ash and his companions meet Skrelp along the Muraille coastline. They subsequently team up with two marine archaeologists to explore the Cussler, a sunken luxury liner. This underwater location serves as a habitat for Skrelp, Dragalge, and various other marine Pokémon. The group discovers the site functions as a sanctuary for these creatures. Meanwhile, Team Rocket targets the vessel with the specific intention of capturing the Pokémon residing there. The narrative focuses on the discovery of this underwater environment and the conflict arising from the villains' attempt to seize the inhabitants.
Episodes
- Ep. 46 · Serena attempts to capture a disruptive Pancham during a Pokémon Showcase incident
- Ep. 47 · Clemont returns to his old school for a reunion with his former Shinx
- Ep. 48 · Bonnie Defends an Injured Lapras from Intruders and Team Rocket
- Ep. 49 · Ash and Friends Meet Performer Nini After Pokémon Conflict Leads to Kidnapping by Team Rocket
- Ep. 50 · Kuzumo and Dramidoro Discover the Undersea Castle Home
- Ep. 51 · Ash disrupts a play rehearsal, forcing Hawlucha and Dark Luchabull to collaborate against Team Rocket.
- Ep. 52 · Ash and Sanpei face a Ninja Trainer while Froakie faces unexpected trouble during the confrontation.
- Ep. 53 · Serena's mother Grace challenges her to a Skiddo race to test her dedication to becoming a Pokémon Performer.
- Ep. 54 · Calamanero and Maaiika confront the Grand Design to save the world