Octonauts Season 4

First Air Date: September 29, 2015

First Aired on	:	2015
Episodes	:	24 episodes

Episodes

4x24 Octonauts and the Sunfish (May 28, 2017)

When a huge sunfish enters the GUP-E, Peso and Kwazii must somehow get the large fish out of the Gup. Eventually they find out it's a Sunfish a fish with no fins.

4x23 Octonauts and the Coconut Crisis (October 25, 2017)

Kwazii takes a vacation on Coconut Island where he gets hit by some coconuts. Then he and the Octonauts must help their old friends the Coconut Crabs discover who's stealing all their coconuts.

4x22 Octonauts and the Tiger Shark (May 27, 2017)

When a hungry tiger shark eats the camera that Tweak's turtle friend Sandy gets in the Octopod, she and the Octonauts must rescue her before it eats everything in its path.

4x21 Octonauts and the Emperor Penguins (December 16, 2015)

The Octonauts journey across a dangerous expanse of ice to help a penguin mother get back to her family.

4x20 Octonauts and the Coelacanth (May 29, 2017)

While exploring a dark and spooky cave, The Octonauts find a strange fossil of a powerful prehistoric fish... but it may be more than just a fossil!

4x19 Octonauts and the Spinner Dolphins (October 27, 2017)

The Octonauts struggle to save a pod of spinner dolphins who seem to be just swimming in their sleep.

4x18 Octonauts and the Loneliest Whale (October 01, 2015)

The Octonauts follow a strange song to a lonely humpback whale.

4x17 Octonauts and the Yellow Bellied Sea Snakes (September 13, 2017)

When Peso gets stranded on a beach with a mass of poisonous snakes after a terrible storm, he and the Octonauts must somehow get them back to the ocean.

4x16 Octonauts and the Hippos (September 20, 2017)

Trying to return home from a mission along an African river, the Octonauts have trouble getting past a gang of large, mud-splatting, territorial hippos.

4x15 Octonauts and the Kelp Monster Mystery (October 24, 2017)

Dashi teams up with her little sister Koshi to help the Octonauts solve a mysterious disappearance in the Kelp Forest. This is the second episode in which is unknown who sounded the Octo-Alert.

4x14 Octonauts and Operation Cooperation (September 27, 2017)

After Shellington crashes the GUP-D for the 3rd time, he and Kwazii team up with moray eels and grouper fish to help pick up the pieces and fix the vehicle before daylight occurs.

4x13 Octonauts and the Flamingos (December 04, 2016)

The Octonauts find a lost flamingo chick separated from his family and they have to return him there before hungry alligators do!

4x12 Octonauts and the Bomber Worms (October 23, 2017)

While diving down to the Midnight Zone, the Octonauts are attacked by bomber worms.

4x11 Octonauts and the Baby Gator (October 26, 2017)

Kwazii adopts a baby alligator naming him Nipper, but when it escapes the Octopod, he and the Octonauts must rescue him.

4x10 Octonauts and the Surfing Snails (September 06, 2017)

When surfing snails are swept out to sea, it's up to Dashi and the Octonauts to save them.

4x09 Octonauts and the Crawfish (December 03, 2016)

When a population of crawfish is stricken by illness, the Octonauts race to find a cure.

4x08 Octonauts and the Convict Fish (December 14, 2015)

The Octonauts evacuate the creatures living around a reef before a large archway collapses, but one stubborn convict fish refuses to move from her burrow.

4x07 Octonauts and the Tree Lobsters (October 02, 2015)

When a storm washes Peso onto a mysterious, rocky island, he meets a band of lobster-like insects thought to be extinct.

4x06 Octonauts and the Octopod Mystery (September 25, 2015)

When the Octopod breaks down, Tweak and the crew search for a missing part aboard an abandoned prototype of the ship, not realising something lives there.

4x05 Octonauts and the Baby Sea Turtles (September 28, 2015)

As newborn baby sea turtles make their way to the ocean, the Octonauts must steer them clear a giant wave and hungry predators.

4x04 Octonauts and the Hidden Lake (September 24, 2015)

The Octonauts are exploring Antarctica, when Shellington discovers strange microscopic creatures living under the ice.

4x03 Octonauts and the Poison Dart Frogs (September 23, 2015)

When a giant wave hurls Amazon River creatures up into the trees, the Octonauts must get them down safely, without disturbing poison dart frogs who live there.

4x02 Octonauts and the Mantis Shrimp (September 30, 2015)

The Octonauts must get 2 mantis shrimp to stop fighting before their powerful claw strikes destroy the Octopod.

4x01 Octonauts and the Walrus Pups (September 29, 2015)

Captain Barnacles and his niece and nephew, Ursa and Orson, must rescue walrus pups who are stranded on a runaway ice floe, before it collides with a huge iceberg!

Octonauts Season 4