Stream 'Octonauts: Calling All Sharks (2014)' and watch online. Discover streaming options, rental services, and purchase links for this movie on Moviefone. Watch at home and immerse yourself in this ...

He works in mysterious ways.

When red-hot volcanoes start a chain reaction of disasters across the ocean, the Octonauts must work together to face their biggest challenge yet.

Octonauts Season 4 features a dynamic group of animal explorers who embark on oceanic adventures, save marine life, and advocate for ocean preservation from their headquarters, the Octopod. The fourth ...