Season 4
26 episodes
18 min. per episode
Where to watch
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A brave polar bear and daring kitten unite their quirky crew to solve ocean mysteries, forging bonds and facing fears together.
Episodes
A dangerous tidal wave washes all the fish up in the trees, which is also a big problem for the poison dart frogs who don't have enough puddles up in the trees for the tadpoles. Luckily, Tweak's new Gup-H is ready to help.
The Octonauts are exploring Antarctica, when Shellington discovers strange microscopic creatures living under the ice.
The Octopod breaks down and Tweak and the crew search for a missing part on an abandoned prototype Octopod, but it's not completely abandoned.
As newborn baby sea turtles make their way to the ocean, the Octonauts must steer them clear a giant wave and hungry predators.
Barnacles' nephews Ursa and Orso are going to get their Polar Scout Badges, when they spot three walrus pups on a drifting floe which is on a crash-course with 2 icebergs. The pups are lost and too hungry to swim. Will Captain Barnacles be able to save them and finally earn the Walrus Rescue Badge - the only one he hasn't got?
An intrepid band of explorers roam the oceans in search of adventure and fun. Led by a valiant polar bear and a daredevil kitten, these eight talented critters are always ready to embark on an exciting new mission.