Upcoming episodes, programme details and where to watch over the next seven days. All times are UK time.
As newborn baby sea turtles make their way to the ocean, the Octonauts must steer them clear of a giant wave and hungry predators.
Animated deep sea adventure series. Captain Barnacles and his intrepid band of explorers roam the oceans in search of adventure and fun. When Kwazii gets lost at sea aboard the tiny Octo-Ski, he meets a flotilla of even tinier sea skaters - the only insects who live on the ocean.
Captain Barnacles and his niece and nephew, Ursa and Orson, must rescue walrus pups who are stranded on a runaway ice floe - before it collides with a huge iceberg!
Animated deep sea adventure series. Captain Barnacles and his intrepid band of explorers roam the oceans in search of adventure and fun. Whether it's a perilous voyage to the bottom of the sea or the piratey pursuit of a giant squid, the Octonauts leap into action and always prove that eight heads are better than one. Kwazii is spooked when he spots what looks like a giant underwater spider! But it turns out to be a very old spider crab who needs the Octonauts' help.
Animated deep sea adventure series. Captain Barnacles and his intrepid band of explorers roam the oceans in search of adventure and fun. The Octopod is attacked by a colossal squid, who drags the ship down an abyssal trench, forcing Barnacles and Kwazii to make a perilous swim outside to confront the gigantic beast.
Animated deep sea adventure series. Captain Barnacles and his intrepid band of explorers roam the oceans in search of adventure and fun. While Kwazii and Peso have their hands full babysitting a bunch of Adelie penguin chicks, Captain Barnacles must rescue the chicks' parents from a perilous sea storm!
Animated deep sea adventure series. Captain Barnacles and his intrepid band of explorers roam the oceans in search of adventure and fun. Kwazii finds a mysterious, unbreakable coconut, so the Octonauts seek out the help of some large, island-dwelling coconut crabs to open it.
Animated deep sea adventure series. Captain Barnacles and his intrepid band of explorers roam the oceans in search of adventure and fun. Peso must perform an emergency fin bandage on a hungry great white shark, but first they need to subdue the giant predator using a trick called tonic immobility.
Animated deep sea adventure series. Captain Barnacles and his intrepid band of explorers roam the oceans in search of adventure and fun. The Octonauts try to pull Peso out of an oceanic trench and get some help from a strange-looking creature with a see-through head: a spookfish.