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.

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.