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

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

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

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.