Catch up TV
Series 4: 21. Octonauts and the Kelp Monster Mystery
Source: CBeebies
Most recent episodes of Octonauts
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.
30-07-2025
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.
29-07-2025
CBeebies
Octonauts
Series 1 - The Enemy Anemones
Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts and some helpless crabs are caught between two groups of anemones.
28-07-2025
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 ...
27-07-2025
CBeebies
Octonauts
Series 1 - The Giant Kelp Forest
Animated deep-sea adventures with Captain Barnacles and his explorers. The Octonauts journey into a mysterious kelp forest and meet strange creatures.
25-07-2025
CBeebies
Octonauts
Series 1 - The Albino Humpback Whale
Animated deep-sea adventures with Captain Barnacles and his explorers. The Octonauts help out an albino humpback whale with a nasty sunburn.
24-07-2025
CBeebies
Most popular episodes of Octonauts
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
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.
08-07-2025
CBeebies
Octonauts
Series 1 - The Arctic Orcas
Animated deep sea adventures with Captain Barnacles and his explorers. When Captain Barnacles and Peso get lost in the Arctic sea, a pod of orcas help find them.
20-05-2025
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.
25-04-2025
CBeebies
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.
29-04-2025
CBeebies