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Series 2 - Mimic Octopus
Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts recruit a shape-shifting mimic octopus to help them on a mission.
Source: CBeebies
Most recent episodes of Octonauts
Octonauts
Series 5: 5. Feeding Frenzy
While exploring a reef, Shellington and Dashi accidentally trigger a feeding frenzy with multiple sharks biting at anything that moves. As Barnacles and Tweak work frantically t ...
05-07-2026
CBeebies
Octonauts
Series 5: 4. Ghost Ship
The Octonauts follow a trail of deep-sea debris to its source: a derelict ship floating unmanned on the surface. But the ship seems to be haunted by ghostly voices, which a quic ...
04-07-2026
CBeebies
Octonauts
Series 1 - The Walrus Chief
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.
03-07-2026
CBeebies
Octonauts
Series 3 - Immortal Jellyfish
Animated deep sea adventures. Shellington and the Octonauts try to track an unusual creature: a jellyfish that can live forever!
03-07-2026
CBeebies
Octonauts
Series 1 - The Crab And Urchin
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.
02-07-2026
CBeebies
Octonauts
Series 3 - Sea Sponge
Animated deep-sea adventures. A sea sponge that houses other sea creatures in its pores suffers from a mysterious illness and Peso must figure out the cause.
02-07-2026
CBeebies
Octonauts
Series 1 - The Undersea Storm
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.
01-07-2026
CBeebies
Octonauts
Series 3 - Red Rock Crabs
Animated deep sea adventures. When Shellington and the crew try to gather some skittish crabs who have drifted away from home, they get help from some old friends.
01-07-2026
CBeebies
Most popular episodes of Octonauts
Octonauts
Series 1 - The Blobfish Brothers
Animated deep-sea adventures with Captain Barnacles and his explorers. The Octonauts must evacuate sea creatures before an underwater volcano erupts.
20-04-2026
CBeebies
Octonauts
Series 5: 1. Blue Fin Tuna
After an encounter with a school of migrating tuna, the Octonauts discover that one of the speedy fish, Tina, has been left behind. And she’s injured! Poor Tina has a hook ...
21-06-2026
CBeebies
Octonauts
Series 1 - The Snapping Shrimp
Animated deep-sea adventures with Captain Barnacles and his explorers. The Octonauts encounter a snapping shrimp.
30-04-2026
CBeebies
Octonauts
Series 2 - Gulper Eels
Animated deep sea adventures with Captain Barnacles and his explorers. Hungry gulper eels as well as undersea tremors threaten Inkling and Kwazii.
10-06-2026
CBeebies
Octonauts
Series 2 - Porcupine Puffer
Animated deep sea adventures with Captain Barnacles and his explorers. Barnacles, Kwazii and Peso venture inside a whale shark to retrieve a porcupine puffer fish.
21-05-2026
CBeebies
Octonauts
The Mariana Trench Adventure
Special episode of the animated deep sea adventure series. Tweak has designed a brand-new Deep Sea Station to study the deepest, darkest reaches of the ocean.
10-04-2026
CBeebies
Octonauts
Series 3 - Sea Skaters
Animated deep sea adventures with Captain Barnacles and his explorers. When Kwazii gets lost at sea aboard the tiny octo-ski, he meets a flotilla of sea skaters.
25-06-2026
CBeebies
Octonauts
Specials: 3. Great Barrier Reef
The Great Barrier Reef, the world's largest structure of living organisms and 1,400 miles long, is home to the most diverse population of undersea life on the planet… and ...
09-04-2026
CBeebies