Catch up TV
Series 3 - Harbour Seal
Animated deep-sea adventures with Captain Barnacles and his explorers. When Peso's patient mysteriously disappears, the Octonauts enlist a unique undersea detective.
Source: CBeebies
Most recent episodes of Octonauts
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.
03-09-2025
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.
02-09-2025
CBeebies
Octonauts
Series 1 - The Dolphin Reef Rescue
Animated deep-sea adventures with Captain Barnacles and his explorers. The Octonauts all pitch in to help save a sick coral reef.
01-09-2025
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.
31-08-2025
CBeebies
Octonauts
Series 1 - The Flying Fish
Animated deep sea adventures with Captain Barnacles and his band of explorers. A school of flying fish accidentally make off with Professor Inkling's rare book.
30-08-2025
CBeebies
Octonauts
Series 1 - The Sardine School
Animated deep-sea adventures with Captain Barnacles and his explorers. The Octonauts must work together as a team to help a lost sardine find her school.
29-08-2025
CBeebies
Octonauts
Series 1 - The Enormous Elephant Seal
Animated deep-sea adventures with Captain Barnacles and his explorers. Peso and the Octonauts help an enormous elephant seal.
28-08-2025
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.
27-08-2025
CBeebies
Most popular episodes of Octonauts
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.
26-08-2025
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.
02-09-2025
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 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.
27-08-2025
CBeebies