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. Also in HD. [S,AD]
The Remipedes. Animated deep sea adventures with Captain Barnacles and his explorers. When Shellington gets lost in a dark sea cave, he gets assistance from some blind remipedes. Also in HD. [S,AD]
The Great Algae Escape. Animated deep sea adventures with Captain Barnacles and his explorers. The crew must catch a runaway Octopod after it is hijacked by a group of crustaceans. Also in HD. [S,AD]
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. Also in HD. [S,AD]
Siphonophore. Animated deep sea adventures with Captain Barnacles and his explorers. Kwazii and Dashi become entangled in a strange deep sea creature, a siphonophore. Also in HD. [S,AD]
Gulper Eels. Animated deep sea adventures with Captain Barnacles and his explorers. Hungry gulper eels and undersea tremors threaten Inkling and Kwazii. Also in HD. [S,AD]
Saltwater Crocodile. Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts must figure out how to get a gigantic saltwater crocodile back home. Also in HD. [S,AD]
The Orcas. Animated deep sea adventures with Captain Barnacles and his band of explorers. An orca whale is stranded on a beach. The Octonauts come to the rescue. Also in HD. [S,AD]
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. Also in HD. [S,AD]
Manatees. Animated deep sea adventures with Captain Barnacles and his explorers. Running out of air, Barnacles struggles to free his paw from the mouth of a giant clam. Also in HD. [S,AD]
Leafy Sea Dragons. Animated deep sea adventures with Captain Barnacles and his explorers. Two young leafy sea dragons are accidentally brought onboard the Octopod. Also in HD. [S,AD]
Lionfish. Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts get more than they bargained for with a pair of invasive lionfish. Also in HD. [S,AD]
Mimic Octopus. Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts recruit a shape-shifting mimic octopus to help them on a mission. Also in HD. [S,AD]
Gulper Eels. Animated deep sea adventures with Captain Barnacles and his explorers. Hungry gulper eels and undersea tremors threaten Inkling and Kwazii. Also in HD. [S,AD,SL]
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. Also in HD. [S,AD]
Humphead Parrotfish. Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts use magnets to try to stop a meteor that is heading towards the Octopod. Also in HD. [S,AD,SL]
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. Also in HD. [S,AD]
Swashbuckling Swordfish. Animated deep sea adventures with Captain Barnacles and his explorers. In search of a mythical sword, Kwazii explores a pirate shipwreck. Also in HD. [S,AD]
Saltwater Crocodile. Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts must figure out how to get a gigantic saltwater crocodile back home. Also in HD. [S,AD,SL]
The Crab and Urchin. Animated deep sea adventures with Captain Barnacles and his band of explorers. Barnacles and Kwazii investigate a disruption involving a crab on a nearby reef. Also in HD. [S,AD]
Manatees. Animated deep sea adventures with Captain Barnacles and his explorers. Running out of air, Barnacles struggles to free his paw from the mouth of a giant clam. Also in HD. [S,AD,SL]
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. Also in HD. [S,AD]
Jawfish. Animated deep sea adventures with Captain Barnacles and his explorers. A mouthbrooding jawfish father has lost his eggs, and the Octonauts must help get them back to him! Also in HD. [S,AD]
Bowhead Whales. Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts attempt to rescue a group of narwhals trapped behind Arctic ice. Also in HD. [S,AD]
Sea Snakes. Animated deep sea adventures with Captain Barnacles and his explorers. A poisonous sea krait lays her eggs in the garden pod. Also in HD. [S,AD]
Leafy Sea Dragons. Animated deep sea adventures with Captain Barnacles and his explorers. Two young leafy sea dragons are accidentally brought onboard the Octopod. Also in HD. [S,AD,SL]
The Whale Shark. Animated deep sea adventures with Captain Barnacles and his band of explorers. Dashi is swallowed by a whale shark so the Octonauts venture inside to rescue her. Also in HD. [S,AD]
Lionfish. Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts get more than they bargained for with a pair of invasive lionfish. Also in HD. [S,AD,SL]
Feeding Frenzy. When Shellington and Dashi accidentally trigger a shark feeding frenzy, Barnacles and Tweak must devise a way to rescue them before they become lunch! Also in HD. [S,AD]
Great White Shark. Animated deep sea adventures with Captain Barnacles and his explorers. Peso must perform an emergency fin bandage on a hungry great white shark. Also in HD. [S,AD]
Coconut Crabs. Animated deep sea adventures with Captain Barnacles and his explorers. Kwazii finds a mysterious, unbreakable coconut, so the Octonauts seek out help to open it. Also in HD. [S,AD]
Adelie Penguins. Animated deep sea adventures with Captain Barnacles and his explorers. Kwazii and Peso have their hands full babysitting a bunch of Adelie penguin chicks. Also in HD. [S,AD]
The Colossal Squid. Animated deep sea adventures with Captain Barnacles and his explorers. The Octopod is attacked by a colossal squid, who drags the ship down an abyssal trench. Also in HD. [S,AD]
Triggerfish. Animated deep sea adventures with Captain Barnacles and his explorers. When he is carried away by a cyclonic waterspout, Kwazii finds himself stranded. Also in HD. [S,SL]
The Humuhumunukunukuapua'a. Animated deep sea adventures with Captain Barnacles and his explorers. The Octopod's waterworks become flooded with frightened humuhumu fish. Also in HD. [S,AD]
The Lost Lemon Shark. Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts have their hands full as they look after a headstrong young lemon shark. Also in HD. [S,AD]
The Crafty Cuttlefish. Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts are on a mission to recover Captain Barnacles's lost octo-compass. Also in HD. [S,AD]
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. Also in HD. [S,AD]
The Pirate Parrotfish. Animated deep sea adventures. The Octonauts go on a pirate treasure hunt, and Kwazii meets the perfect sidekick - a parrotfish! Also in HD. [S,AD]
Swashbuckling Swordfish. Animated deep sea adventures with Captain Barnacles and his explorers. In search of a mythical sword, Kwazii explores a pirate shipwreck. Also in HD. [S,AD,SL]
Blue Whale Rescue. When Kwazii discovers an injured blue whale, the Octonauts struggle to keep the gigantic creature afloat - and fed! Also in HD. [S,AD]
Manta Rays. Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts help a young manta ray find the secret manta ray feeding grounds. Also in HD. [S,AD,SL]
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. Also in HD. [S,AD]
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. Also in HD. [S,AD]
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. Also in HD. [S,AD]
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. Also in HD. [S,AD]
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. Also in HD. [S,AD]
Fiddler Crabs. Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts help clean up a beach after a storm. Also in HD. [S,AD,SL]