When a sea turtle loses a chunk of its shell, Tweak and Bud must engineer a solution.
The Octonauts must track down some Australian possums and help them to return home.
When a rainstorm surges, the Octonauts contend with an oncoming mudslide.\n
The Octonauts help when they discover melting permafrost endangering an ecosystem.\n
When Selva encounters an injured creature, Peso journeys to provide medical aid. \n
Tracker and Kwazii help some fish whose food keeps getting stolen by a frigatebird. \n
A solar storm throws off some whales’ senses of direction, as well as the Octonauts. \n
It’s an underwater mystery when a valuable protective shell goes missing.
While cleaning after a storm, the Octonauts find a primate known as a spectral tarsier.
A Malabar squirrel stuck aboard the Octoray starts to build stashes all over the ship.
Tweak and Bud find themselves stranded on a floating island made of papyrus reeds.
Kwazii finds that the 'dragon' he’s met is really a Gila monster.
A lyrebird confounds the Octonauts with its ability to mimic any sound it hears.
When a flamingo chick gets left behind, it’s up to the Octonauts to save the young bird.
Tracker spots some northern bald ibises migrating in the wrong direction.
The Octonauts must chase away some hungry wolves while in the Yellowstone ecosystem.
A tsunami washes some sea creatures inland; the Octonauts trek into the forest to help.
When a termite colony gets sucked into an aardvark’s nose, the Octos head to the rescue.
While cleaning up a fire, the Octonauts encounter some fast-learning orangutans.
When the Terra-Gup 1 is damaged, Barnacles and Koshi work together to repair it.
Harmful algae create a red tide on the Florida coast, causing creatures to get sick.
Paani and Min use the new Octoblimp to map a 'river in the sky'.
When his little brother Pinto gets trapped on a piece of ice, Peso has to rescue him.
A search for a gift for Captain Barnacles leads the Vegimals and Shellington to India.
When a hoatzin’s eggs go missing in the Amazon, the Octonauts work to get them back.
The Octonauts help protect some creatures from rain when the rain shadow effect fails.
A Portuguese man o' war washes ashore; the Octonauts need to reunite him with his legion.
While testing out the new Terra-Gup 6, Tweak crash lands in the desert.
A west African savannah storm intrigues Paani until a mudslide forces Tunip into a ditch.
Peso and Kwazii incubate a puffin egg while the Octonauts search for its missing parents.
Peso and Dashi help a flying fox mother and pup survive the heat in an Australian swamp.
The Octonauts help some fire ants build an escape route when a river floods their home.
Ranger Marsh asks Dashi and Tweak for help to find out who stole a box turtle’s egg.
A storm in Vietnam floods a cave, trapping Ryla, Kwazii, Shellington - and a tiger!
The Octonauts find some lost eggs in a nest off the coast and search for the mother.
Warm temperatures wake up some hibernating dormice, and the Octonauts must protect them.
An unknown weta's distress call forces the Octonauts to do some detective work.
Kwazii and Tracker visit the desert for an Octo-Agent test but end up getting lost.
The Octonauts race to save a herd of reindeer as a volcanic eruption melts a glacier.
A storm carries a little goby out to sea - the Vegimals and Kwazii help to bring him home.
Dashi survives a crash in the Octoray just as a hurricane nears the Florida Everglades.
Octo-Agent Min discovers a decimated bamboo forest – a habitat crucial to pandas.
The Octonauts use the Terra-Gup 2 to rescue creatures from a Rocky Mountain rockslide.
Peso’s little brother Pinto gets into trouble with a bombardier beetle and a hot geyser.
The Octonauts search for a new habitat for some sleeping caterpillars.
Paani and a skua are swept away by melting ice; Dashi and Natquik rush to save them!
Dashi and Koshi look for a mystery crab before a flash flood hits the Australian outback.
The Octonauts help pupfish in the Nevada Desert when their aquatic home is in trouble.
The Octonauts brave the harsh Himalayan weather on the Terra-Gup-1 to relocate a snake.
While rescuing Paani's gear from an icy river, the Octonauts discover a frozen salamander.
Dashi pilots the Octoray through wild windstorms in Antarctica and New Zealand.
Calico Jack and Kwazii attempt to move bombardier beetles to a more hospitable island.
Shipwrecked, the Octonauts meet hydrologist Paani and help rescue thirsty animals.
During a mission to replant the area around Mount Kilimanjaro, the Octoray gets stuck.