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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.

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.