Pokemon 3D Adventure 2: Pikachu no Kaitei Daibouken
English title: Pokémon 4D: Pikachu's Ocean Adventure
Japanese title: ポケモン3Dアドベンチャー2 ピカチュウの海底大冒険
Alternative titles: Pokemon 4D: Pikachu no Kaiyou Adventure
Type: Movie
Source: Game
Episodes: 1
Status: Finished Airing
Aired: May 20, 2006
Duration: 14 min
Rating: PG - Children
Studios: OLM
Licensors: The Pokemon Company International
Genres: Adventure, Comedy, Fantasy
Demographics: Kids

When Pikachu and friends decide to stop by a tropical island for some rest and relaxation, they got more than they had bargained for after Chatot discovers a Treasure Map! They follow the map to Wailord’s Tear, a mysterious place located in a sunken pirate ship. Will Pikachu and friends find the treasure? What mysteries and dangers are in store? Will our pals return safely? Find out in Pikachu’s Ocean Adventure! 

(Source: Bulbapedia)