Octonauts
Octonauts is a TV show on CBeeBies. Join Captain Barnacles and crew on their animated underwater adventures. Play games, watch clips, and find craft ideas for kids. The program has been available since 2025. A total of 131 episodes have been broadcast, most recently in April 2026.
Last episode
Octonauts
Animated deep sea adventures with Captain Barnacles and his band of explorers. When Peso's precious medical kit is taken, Barnacles and Kwazii try to get it back.
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To save the Great Barrier Reef and their new friend, a tiny coral polyp, the Octonauts team up with reef creatures to fend off invading coral-munching crown-of-thorns starfish!
Series 5
When Shellington and Dashi accidentally trigger a shark feeding frenzy, Barnacles and Tweak must devise a way to rescue them before they become lunch!
Series 1
Animated deep sea adventures with Captain Barnacles and his band of explorers. Barnacles and Kwazii investigate a disruption involving a crab on a nearby reef.
Series 5
The Octonauts discover a drifting 'ghost ship' with barnacles attached to the hull that need to be in warmer waters.
Series 1
Animated deep sea adventures with Captain Barnacles and his band of explorers. Kwazii's Gup-B breaks down in a storm, but a chain of reef lobsters lends a hand.
Animated series. In this special episode, the Octonauts travel deep down the Amazon River in search of a lost city - and Kwazii's long-lost grandfather, Calico Jack!
The Octonauts face disaster when volcanic eruptions are triggered all across the Ring of Fire – a chain of hundreds of land and undersea volcanoes encircling the Pacific Ocean.
Series 5
Shellington and Peso try to track down a rare whale, who has lost its tooth.
Series 1
Animated deep sea adventures with Captain Barnacles and his band of explorers. Dashi is swallowed by a whale shark so the Octonauts venture inside to rescue her.
Series 2
Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts get more than they bargained for with a pair of invasive lionfish.
Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts recruit a shape-shifting mimic octopus to help them on a mission.
Series 4
Animated deep sea adventure series. As newborn baby sea turtles make their way to the ocean, the Octonauts must help them avoid predators.
Captain Barnacles and Peso become lost in a dangerous maze of underwater caves while helping a baby octopus get home, and the rest of the Octonauts must rescue them!
Series 4
Animated deep sea adventure series. When the Octopod breaks down, Tweak and the crew have to search for a missing part.
Animated deep sea adventure series. In Antarctica, Shellington discovers strange microscopic creatures living under the ice.
Animated deep sea adventure series. The Octonauts must avoid the poison dart frogs who live in trees above the Amazon river.
Series 3
Animated deep sea adventure series. When an underwater tremor separates the Gup-X and its crew, Barnacles seeks guidance from a mysterious sea turtle.
Series 2
Animated deep sea adventures with Captain Barnacles and his explorers. When he is carried away by a cyclonic waterspout, Kwazii finds himself stranded.
Series 1
Animated deep sea adventures with Captain Barnacles and his explorers. Kwazii is spooked when he spots what looks like a giant underwater spider.