Pokémon Ranger and the Temple of the Sea (2006)

When a mysterious egg floats out into the sea it is collected by a treasure hunter named Captain Phantom, leader of the Phantom Troop. After a crew member of his betrays him and escapes the group, he meets with Ash and his friends and reveals he is a Pokemon Ranger, a person who forms a bond with wild Pokemon to help others. They come upon a traveling circus and the pirate, known as Jackie, tells them they must pursue the Phantom Troop and recover the egg which contains the sea ranger Pokemon Manaphy, and if it stays out of the ocean too long it could cause a global disaster. First released to Japanese cinemas in 2006 the movie was first shown in the US on Cartoon Network before being released to video. The movie was paired with the short "Pikachu's Island Adventure"