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Series 4: 15. Octonauts and the Coelacanth
Source: CBeebies
Most recent episodes of Octonauts
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.
17-08-2025
CBeebies
Octonauts
Series 1 - The Whale Shark
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.
16-08-2025
CBeebies
Octonauts
Series 1 - The Giant Jelly
Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts must rescue Peso when he gets trapped inside a giant comb jelly.
15-08-2025
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 ...
14-08-2025
CBeebies
Octonauts
Series 1 - The Seahorse Tale
Animated deep sea adventures with Captain Barnacles and his explorers. After a storm, the Octonauts have to reunite a seahorse with its missing mate.
14-08-2025
CBeebies
Octonauts
Series 1 - The Vampire Squid
Animated deep sea adventures with Captain Barnacles and his explorers. Peso must gather all his courage when he travels deep down to the very bottom of the ocean.
13-08-2025
CBeebies
Octonauts
Series 1 - The Hungry Pilot Fish
Animated deep-sea adventures with Captain Barnacles and his explorers. A lost pilot fish who eats ocean gunk cleans up the Octonauts' dirty gups.
12-08-2025
CBeebies
Octonauts
Series 1 - The Beluga Whales
Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts discover a pod of beluga whales stranded at a breathing hole.
11-08-2025
CBeebies
Most popular episodes of Octonauts
Octonauts
The Over, Under Adventure
Animated deep sea adventure series. The Octonauts' mission to explore Antarctica becomes a desperate rescue as a group of sea stars and urchins are threatened by a brinicle.
15-08-2024
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.
17-08-2025
CBeebies
Octonauts
Series 3 - Cone Snails
Animated deep sea adventures with Captain Barnacles and his explorers. Only Peso can save the day when a cone snail invades the Octopod.
26-04-2025
CBeebies
Octonauts
Creature Reports - The Octopus
Captain Barnacles and his intrepid band of explorers sing about underwater creatures. The Octonauts share a few fun facts about the octopus.
26-06-2014
CBeebies
Octonauts
Series 1 - The Snot Sea Cucumber
Animated deep-sea adventures with Captain Barnacles and his explorers. A slimy, slippery snot sea cucumber gets loose onboard the Octopod.
01-08-2025
CBeebies