Animated deep-sea adventures with Captain Barnacles and his explorers. The Octonauts follow an old map to what Kwazii believes is treasure guarded by a sea monster.
Source: CBeebies
Series 2 - Great White Shark
Animated deep sea adventures with Captain Barnacles and his explorers. Peso must perform an emergency fin bandage on a hungry great white shark.
12-06-2025
CBeebies
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 ...
12-06-2025
CBeebies
Series 2 - Coconut Crabs
Animated deep sea adventures with Captain Barnacles and his explorers. Kwazii finds a mysterious, unbreakable coconut, so the Octonauts seek out help to open it.
11-06-2025
CBeebies
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 ...
11-06-2025
CBeebies
Series 5: 3. Whales Of Mystery
Shellington is excited to find the distinctive tooth of a very rare creature, the spade-toothed beaked whale. Now, the Octonauts must find the tooth’s owner, so Shellingto ...
10-06-2025
CBeebies
Series 5: 2. Blue Whale Rescue
When Kwazii discovers a blue whale with an injured tail, the Octonauts attempt to use a giant net and Octofloats to keep it from sinking. Meanwhile, Peso and Tweak collaborate o ...
09-06-2025
CBeebies
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.
08-06-2025
CBeebies
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.
25-04-2025
CBeebies
Creature Reports - The Snot Sea Cucumber
The Octonauts sing about underwater creatures. The Octonauts share a few fun facts about the snot sea cucumber.
02-07-2014
CBeebies
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
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.
06-05-2025
CBeebies
Creature Reports - The Orcas
Captain Barnacles and his band of explorers sing about underwater creatures. The Octonauts share a few fun facts about orcas.
03-07-2014
CBeebies
Series 1 - The Orcas
Animated deep sea adventures with Captain Barnacles and his band of explorers. An orca whale is stranded on a beach. The Octonauts come to the rescue.
08-04-2025
CBeebies
Octonauts Special: The Amazon Adventure
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!
13-04-2025
CBeebies