Episode list

Scared Sperm Whale: A timid sperm whale must conquer his fears and dive deep down to help the Octonauts release Peso from a giant clam. Long Armed Squid: Peso and Kwazii venture down to the midnight zone to help a hurt creature, but what they find is a shipwreck "haunted" by a spooky-looking long arm squid.

Flying Swords: In search of a mythical sword, Kwazii explores a pirate shipwreck that happens to be guarded by three swashbuckling swordfish! Fiddler Crabs: The Octonauts help clean up a beach after a storm, but things get complicated when the resident fiddler crabs hijack the Gup-D!

The Octonauts help a young manta ray find the secret manta ray feeding grounds, but when they finally locate it, the Octonauts become caught in the middle of a dangerous feeding frenzy!

In search of a mythical sword, Kwazii explores a pirate shipwreck that happens to be guarded by three swashbuckling swordfish!

When he's carried away by a cyclonic waterspout, Kwazii finds himself stranded in the desert-like open ocean with a triggerfish who's made her home underneath the damaged Gup-B.

Manatees: Running out of air, Barnacles struggles to free his paw from the mouth of a giant clam, while simultaneously directing his crew in a delicate Manatee rescue operation. Mimic Octopus: The Octonauts recruit a shape-shifting mimic octopus to help them recover an important vial of medicinal algae from a moray eel's lair.

Gulper Eels: When hungry gulper eels as well as undersea tremors threaten Inkling and Kwazii, Dashi uses the new, multi-purpose Octo Max Suit to rescue them. Lionfish: The Octonauts get more than they bargained for when they use the Octopod to transport a pair of invasive lionfish back to their native habitat.

When some leafy sea dragons accidentally get into the Octopod, the Octonauts must find them before they end up in Kwazii's stew.

After his Gup is struck by lightning, Captain Barnacles gets trapped by a giant clam but doesn't call for help as he wants the others to go help some manatees at risk from a thunderstorm.

Triggerfish: When he's carried away by a cyclonic waterspout, Kwazii finds himself stranded in the desert-like open ocean with a triggerfish who's made her home underneath the damaged Gup-B. Saltwater Crocodile: When a gigantic saltwater crocodile wanders into freezing waters, the Octonauts must figure out how to get the predator back to his warm water home - without anyone getting hurt.

The Octonauts use magnets and a rock chomping humphead parrotfish to try to stop a large meteor that's heading towards the Octopod.

Hungry gulper eels as well as undersea tremors threaten Inkling and Kwazii and get trapped by boulders. So Dashi uses Tweak's newly built "Octo Mach-Suit" to rescue them.

Sea Sponge: A sea sponge that houses other sea creatures in its pores suffers from a mysterious illness and Peso must figure out the cause. Loggerhead Sea Turtle: When an underwater tremor separates the Gup-X and its crew, Barnacles seeks guidance from a mysterious sea turtle.

This is the 3rd special episode.

The Vegimals' plans for a Christmas feast aboard the Octopod are interrupted when the Octonauts are all entangled in a gigantic blob of sea snot!