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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.
Source: CBeebies
Most recent episodes of Octonauts
Octonauts
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.
05-05-2026
CBeebies
Octonauts
Series 1 - The Giant Whirlpool
Animated deep-sea adventures with Captain Barnacles and his explorers. Tweak's pal, a leatherback sea turtle, is caught in a fast-moving ocean current.
04-05-2026
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.
03-05-2026
CBeebies
Octonauts
Series 3 - Water Bears
Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts venture into a dangerous red-hot lava tube to rescue a teeny tiny water bear.
02-05-2026
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.
01-05-2026
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 1 - The Midnight Zone
Animated deep-sea adventures with Captain Barnacles and his explorers. The Octonauts discover a strange rock that happens to be home to a new species of worm.
29-04-2026
CBeebies
Octonauts
Series 1 - The Narwhal
Animated deep sea adventures with Captain Barnacles and his fellow explorers. While sailing the Arctic, the Octonauts' ship, the Octopod, gets trapped in the ice.
28-04-2026
CBeebies
Most popular episodes of Octonauts
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 ...
12-03-2026
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.
25-04-2026
CBeebies
Octonauts
Series 3 - Siphonophore
Animated deep sea adventures with Captain Barnacles and his explorers. Kwazii and Dashi become entangled in a strange deep-sea creature - a siphonophore.
26-04-2026
CBeebies
Octonauts
Series 1 - The Electric Torpedo Rays
Animated deep-sea adventures with Captain Barnacles and his explorers. The Octonauts give their ship a jump-start with some electric torpedo rays.
15-03-2026
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 1 - The Pirate Parrotfish
Animated deep-sea adventures. The Octonauts go on a pirate treasure hunt, and Kwazii meets the perfect sidekick - a parrotfish!
14-03-2026
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.
01-03-2026
CBeebies