The Octonauts shipwreck on a desert coast and meet water scientist monkey Paani, who leads them to thirsty animals in need of major hydration.

Dashi and Peso round up a reindeer herd when lava causes floods in Iceland.

Kwazii and grandad Calico Jack find a new island home for a band of beetles.

Dashi whips through wild winds in Antarctica to rescue Calico Jack.

Professor Inkling and Paani help a hibernating salamander avoid a harmful gas.

Dashi, Tweak and Tunip search for hot springs after mudslides force a snake out of his home.

The Octonauts help hungry pupfish find their algae snack.

Dashi and sister Koshi take critters to higher ground before floods arrive.

Professor Natquik and Paani use an underground river to guide a bird home.

Min and Dashi protect a crew of sleeping caterpillars from predators.

Peso’s little bro Pinto joins Dashi in some mini-missions before heading home.

The Octonauts roll in with a new ride to save creatures from crumbling rocks.

Bamboo's running out, so the Octonauts find new turf for a giant panda.

Ranger Marsh needs help evacuating animals ahead of a hurricane.

The Octonauts lead a lost goby fish from the salty sea back to his freshwater home.

Tracker and Kwazii swim through sand with a mole before a storm hits.

Paani keeps a rat pack from snacking on endangered insects in New Zealand.

Sleepwalking mice are out of hibernation and in harm’s way unless the Octonauts can help.

Calico Jack and Kwazii reunite a mommy duck with her eggs.

Shellington, Kwazii and Ryla rescue a lost tiger while exploring a river cave.

The Octonauts clear the ash around an armadillo’s home after a fire.

Rising waters in Brazil lead Tweak and Dashi to help fire ants build a bridge above a river.

The Octonauts help fruit bats beat the Australian heat.

The Octonauts find new meals for hungry puffins when snack-worthy eels move to cooler waters.

A persistent pangolin helps Tunip escape a rock slide.

Min and the team save a crowded tree hotel from an itchy bear.

The agents must convince some albatrosses to leave their sinking island for somewhere new.

A honey badger chases away other animals from a watering hole.

Cute pikas must move to higher ground when a glacier starts melting faster than usual.

The weather’s starting to freeze, but the critters aren’t ready for the cold!

Dashi and Koshi look for baby eels that have lost their way back home.

Paani and the team help a water frog search for more of his species.

Something strange raided Kwazii and Tweak’s campsite and ate all of their food.

A red fox moves into Professor Natquik’s den and causes a mess.

The Vegimals train as pirates to protect mangrove trees from a group of pygmy sloths.

Paani bundles up underground with a new feathered friend after a snowstorm.

The Octonauts rescue a herd of elephants stuck inside a salt cave.

A baby goose won’t sit still and stay in his best to wait for his mama.

Tracker and the team try to find out why all the water in a lake went away.

Ranger Marsh looks to reunite a trio of egg-stealing lizard siblings.

Shellington and pals find mysterious clues of a bison in need of help.

The Octonauts explore the different layers of the rainforest and help its creatures find a new home when their habitat becomes too dried up.

Paani and the team find a new home for alligators after sharks swim into a swamp.

There’s no cocoa in sight, so the Vegimals head to the Amazon for more!

A trio of camels helps a lost Paani find some water in the desert.

A hungry carp endangers a lake after chomping on all of the plants.

Two curious parrots cause problems after sneaking into the Octo-Ray aircraft.

Kwazii and Calico Jack wash ashore on a strange and legendary island.

The agents track down a monarch butterfly that got separated from his swarm.

Calico Jack and Kwazii team up with a sneaky cat to find buried treasure.

While testing out the new Terra-Gup 6, Tweak crash lands in the desert.

A Portuguese man o’ war washes ashore; the Octonauts need to reunite him with his legion.

The Octonauts help protect some creatures from rain when the rain shadow effect fails.

When a hoatzin’s eggs go missing in the Amazon, the Octonauts work to get them back.

A search for a gift for Captain Barnacles leads the Vegimals and Shellington to India.

When his little brother Pinto gets trapped on a piece of ice, Peso has to rescue him.

Paani and Min use the new Octoblimp to map a ‘river in the sky’.

Harmful algae create a red tide on the Florida coast, causing creatures to get sick.

When the Terra-Gup 1 is damaged, Barnacles and Koshi work together to repair it.

While cleaning up a fire, the Octonauts encounter some fast-learning orangutans.

When a termite colony gets sucked into an aardvark’s nose, the Octonauts head to the rescue.

A tsunami washes some sea creatures inland; the Octonauts trek into the forest to help.

When a flamingo chick gets left behind, it’s up to the Octonauts to save the young bird.

A lyrebird confounds the Octonauts with its ability to mimic any sound it hears.

When winter comes early in Canada, the Octonauts help some hares with their camouflage.

Kwazii finds that the 'dragon' he’s met is really a Gila monster.

Tweak and Bud find themselves stranded on a floating island made of papyrus reeds.

A Malabar squirrel, stuck aboard the Octoray, starts to build stashes all over the ship.

While cleaning after a storm, the Octonauts find a primate known as a spectral tarsier.

It’s an underwater mystery when a valuable protective shell goes missing.

The Octonauts must track down some Australian possums and help them return home.

When a sea turtle loses a chunk of its shell, Tweak and Bud must engineer a solution.

The Octonauts must chase away some hungry wolves while in the Yellowstone ecosystem.

Tracker spots some northern bald ibises migrating in the wrong direction.

During a mission to replant the area around Mount Kilimanjaro, the Octoray gets stuck.

A solar storm throws off some whales’ senses of direction, as well as the Octonauts.

Tracker and Kwazii help some fish whose food keeps getting stolen by a frigatebird.

When Selva encounters an injured creature, Peso journeys to provide medical aid.

The Octonauts help when they discover melting permafrost endangering an ecosystem.

When a rainstorm surges, the Octonauts contend with an oncoming mudslide.

The Octonauts help a colony of honeybees that are trapped in a sinking tree.

While in search of a boiling river, Kwazii and Paani meet some tamarin monkeys.

When a fire threatens a meerkat burrow, the Octonauts must put it out.

Arctic ringed seals are threatened when warming temperatures diminish their snow caves.

The Octonauts assist an alpine swift to catch up with its flock.

A baby elephant separated from its herd needs the Octonauts' help swimming to safety.

While collecting pictures, Dashi and Shellington get trapped in a flooding cave.

The Octonauts must clear a logjam while protecting a family of birds.

When a blizzard hits, Captain Barnacles will need to use all his Arctic survival tactics.

A replanting mission is interrupted when a gazelle goes missing just as a sandstorm hits.

On a mission to study caddisfly silk, Bud and Paani get washed down a river.

The Octonauts help rebuild some mudflats while reuniting a lost bird with its flock.

Two dolphins get stuck in a coastal saltwater lake during low tide.

Kwazii and Periwinkle try to help a bird found in the Sonoran Desert.

The Octonauts must repair a coral reef protecting a lagoon from surrounding sharks.

The Octonauts and Octo-Agents work together to clean up the Great Pacific Garbage Patch.

When the underwater Kavachi volcano erupts, Ryla calls on the Octonauts to help.

Tracker and Koshi’s bird-studying mission is upended when a mysterious egg appears.

The Octonauts identify a mysterious creature that turns out to be a spider crab in need.

When the Reef Base’s power is knocked out, Octo-Agents lead the charge to restore it.