E1 - Solar Storm

Aired: February 19, 2024

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

E2 - Frigatebird

Aired: February 19, 2024

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

E3 - Madagascar Tsingy

Aired: February 19, 2024

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

E4 - Permafrost Problem

Aired: February 19, 2024

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

E5 - Mudslide

Aired: February 19, 2024

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

E6 - Honeybees

Aired: February 19, 2024

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

E7 - Boiling River

Aired: February 19, 2024

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

E8 - Kalahari Copycat

Aired: February 19, 2024

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

E9 - Ringed Seals

Aired: February 19, 2024

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

E10 - Alpine Swift

Aired: February 19, 2024

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

E11 - Elephant Swim Lesson

Aired: February 19, 2024

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

E12 - Hazardous Habitats

Aired: February 19, 2024

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

E13 - Iguazu Falls

Aired: February 19, 2024

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

E14 - Arctic Blizzard

Aired: February 19, 2024

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

E15 - Gobi Desert

Aired: February 19, 2024

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

E16 - Caddisfly Silk

Aired: February 19, 2024

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

E17 - Mudflat Mission

Aired: February 19, 2024

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

E18 - Lost Bottlenose Dolphins

Aired: February 19, 2024

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

E19 - Desert Creatures

Aired: February 19, 2024

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

E20 - Hawaiian Monk Seals

Aired: February 19, 2024

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

E21 - Great Pacific Clean-up

Aired: February 19, 2024

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

E22 - Volcano Sharks

Aired: February 19, 2024

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

E23 - Billabong Mystery

Aired: February 19, 2024

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

E24 - Spider Crab Surprise

Aired: February 19, 2024

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

E25 - Mysterious Webs

Aired: February 19, 2024

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