The Octonauts expand their exploration beyond the sea and onto land. With new rides and new friends, they are prepared to protect any habitats and animals at risk on land or underwater.
Stubborn Albatross. Rising water endangers some albatross nests, so the Octonauts help to relocate them.
Honey Badger. A honey badger claims a watering hole, so Kwazii challenges her to a digging contest.
Cold Snap. A cold snap hits the Everglades, and Ranger Marsh calls the Octonauts for help.
Lonely Frog. Paani finds a lonely, worried frog, and, with help, searches for his family.
While tracking in the Congolese jungle, the Octonauts come upon a mysterious creature.
Professor Natquik finds a red fox has moved into his home as a storm traps them both in!
The Octonauts stage a pirate-worthy rescue as young, three-toed sloths drift out to sea.
Paani seeks refuge in a grouse's burrow during a snowstorm but then gets trapped.
Arabian Camels. When Paani goes missing in the desert, Dashi calls for back-up before he runs out of water.
When a herd of elephants is trapped in a cave, the Octonauts have to get them out quickly!
Mystery Island. When Kwazii and Calico Jack get stranded on an island, the Octonauts must search for them.
Paani saves a newborn goose, then seeks the Octonauts' help to decipher its behaviour.
Sand Cat. Rising seas send Calico Jack and Kwazii on a hunt, where they encounter a sand cat.
Tracker finds trapped creatures in an underground tunnel after falling into a sinkhole.
Ranger Marsh recounts Shellington's journey to reunite a monitor lizard with his siblings.
Periwinkle strays during a Bialowieza forest mission and discovers a rare European bison.
A storm carries sharks into a swamp, so the Octonauts must help all the creatures coexist.
A shortage of cocoa sends Tunip and the Vegimals to the Amazon.
When Paani goes missing in the desert, Dashi calls for back-up before he runs out of water. [S,AD] [HD]
Pearl and Periwinkle discover a giant carp wreaking havoc on the Great Plains ecosystem. [S,AD] [HD]
When birds cause trouble aboard the Octoray, Tweak uses her Octowatch to help with repairs. [S,AD] [HD]
When Kwazii and Calico Jack get stranded on an island, the Octonauts must search for them. [S,AD] [HD]
The Octonauts guide migrating monarch butterflies on a journey south for the winter. [S,AD] [HD]