An unknown weta's distress call forces the Octonauts to do some detective work.
Warm temperatures wake up some hibernating dormice, and the Octonauts must protect them.
The Octonauts find some lost eggs in a nest off the coast and search for the mother.
A storm in Vietnam floods a cave, trapping Ryla, Kwazii, Shellington - and a tiger!
Ranger Marsh asks Dashi and Tweak for help to find out who stole a box turtle’s egg.
The Octonauts help some fire ants build an escape route when a river floods their home.
Peso and Dashi help a flying fox mother and pup survive the heat in an Australian swamp.
Peso and Kwazii incubate a puffin egg while the Octonauts search for its missing parents.
A west African savannah storm intrigues Paani until a mudslide forces Tunip into a ditch.
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 Octos head to the rescue.
The Octonauts search for a new habitat for some sleeping caterpillars.
Peso’s little brother Pinto gets into trouble with a bombardier beetle and a hot geyser.
The Octonauts use the Terra-Gup 2 to rescue creatures from a Rocky Mountain rockslide.
Octo-Agent Min discovers a decimated bamboo forest – a habitat crucial to pandas.
Dashi survives a crash in the Octoray just as a hurricane nears the Florida Everglades.
A storm carries a little goby out to sea - the Vegimals and Kwazii help to bring him home.
Kwazii and Tracker visit the desert for an Octo-Agent test but end up getting lost.