Catch up TV
Series 1 - The Hermit Crabs
Animated deep sea adventures. When the crew can't return to base, Peso and Tweak have to help a hermit crab escape from its shell.
Source: CBeebies
Most recent episodes of Octonauts
Octonauts
Series 3 - Barracudas
Animated deep-sea adventures with Captain Barnacles and his explorers. Shellington and the Vegimals are on a mission to replant a mangrove forest.
18-10-2026
CBeebies
Octonauts
Series 3 - Yeti Crab
Animated deep sea adventures with Captain Barnacles and his explorers. A yeti crab damages the ship, endangering itself and the Octonauts.
17-10-2026
CBeebies
Octonauts
Series 1 - The Dwarf Lanternshark
Animated deep-sea adventures with Captain Barnacles and his explorers. Down in the ocean deep, the Octonauts must help a tiny, injured dwarf lanternshark.
16-10-2026
CBeebies
Octonauts
Series 1 - The Marine Iguanas
Animated deep-sea adventures with Captain Barnacles and his explorers. The Octonauts prepare for their annual seaweed feast near the Galapagos Islands.
15-10-2026
CBeebies
Octonauts
Series 1 - The Eel Ordeal
Animated deep-sea adventures with Captain Barnacles and his explorers. The Octonauts travel up a treacherous river to help a young migrating eel.
14-10-2026
CBeebies
Most popular episodes of Octonauts
Octonauts
Series 3 - Sea Pigs
Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts must stop a huge herd of sea pigs before they march blindly into the Mariana Trench.
11-10-2026
CBeebies
Octonauts
Series 1 - The Slime Eels
Animated deep sea adventures with Captain Barnacles and his explorers. Kwazii covets the treasure in a sunken pirate ship, but it is protected by slime eels.
08-10-2026
CBeebies
Octonauts
Series 3 - Pelicans
Animated deep sea adventures with Captain Barnacles and his explorers. A floating garbage patch endangers a flock of pelicans and other sea creatures.
10-10-2026
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 ...
26-09-2026
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
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 1 - The Giant Squid
Animated deep sea adventures with Captain Barnacles and his band of explorers. The Octonauts set out to find and photograph the elusive giant squid.
25-08-2026
CBeebies
Octonauts
Specials: 2. Ring Of Fire
The Octonauts embark on the biggest adventure ever! The crew is caught off guard by a volcanic eruption in the Pacific, but this single emergency soon turns into a global disast ...
08-08-2026
CBeebies
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.
01-09-2026
CBeebies