No. of Episodes:

24

Starring :

Keith Wickham

Simon Greenall

Jo Wyatt

Rob Rackstraw

Ross Breen

Season 4

23/09/2015

Episodes

Octonauts and the Poison Dart Frogs

Octonauts and the Hidden Lake

Octonauts and the Octopod Mystery

Octonauts and the Baby Sea Turtles

Octonauts and the Walrus Pups

Octonauts and the Mantis Shrimp

Octonauts and the Loneliest Whale

Octonauts and the Tree Lobsters

Octonauts and the Convict Fish

Octonauts and the Emperor Penguins

Octonauts and the Crawfish

Octonauts and the Flamingos

Octonauts and the Tiger Shark

Octonauts and the Sunfish

Octonauts and the Coelacanth

Octonauts and the Surfing Snails

Octonauts and the Yellow Bellied Sea Snakes

Octonauts and the Hippos

Octonauts and Operation Cooperation

Octonauts and the Bomber Worms

Octonauts and the Kelp Monster Mystery

Octonauts and the Coconut Crisis

Octonauts and the Baby Gator

Octonauts and the Spinner Dolphins