This is the first season of the original Octonauts series. It premiered on October 4th, 2010 in the UK on CBeebies. The season contains 50 11-minute episodes, as well as two 22-minute specials.

Watch full episodes of the Octonauts season 1 adventures, HERE!

S1.E12 ∙ Octonauts and the Monster Map Tue, Oct 19, 2010 The Octonauts follow an old map to what Kwazii believes is treasure guarded by a sea monster, but instead they meet a playful Octopus with all kinds of surprising abilities.

Join brave Captain Barnacles, daredevil ex-pirate Kwazii, and medic Peso Penguin, along with the other Octonauts as they explore the world’s oceans, rescue the creatures who live there and protect their habitats – above and below the waves!

A team of brave underwater explorers known as the Octonauts combs the world's oceans for aquatic creatures in desperate need of assistance. Watch trailers & learn more.

The Octonauts travel for Christmas to Professor Inkling's childhood home, a seamount, but soon get involved in a rescue mission when a rockslide endangers a rare 500-year-old golden coral and traps Professor Inkling's nephew Squirt.

Octonauts is an animated children's television series, produced by Chorion in series 1 and Silvergate Media starting from series 2 for the BBC channel CBeebies. It is based on the children's books written by Meomi, the design team of Vicki Wong and Michael C. Murphy.

Join brave Captain Barnacles, daredevil ex-pirate Kwazii, and medic Peso Penguin, along with the other Octonauts as they explore the world's oceans, rescue the creatures who live there, and protect their habitats - above and below the waves!

All the Octonauts episodes. Includes the 2 Christmas Special episodes.

The Octonauts travel to Professor Inkling's childhood home for Christmas, an undersea mountain. But they discover that a rock slide has endangered the local creatures - including a rare species of golden coral, and Inkling's little octopus nephew, Squirt!