| Season 3 | |
|---|---|
 | |
| Episodes: | 23 |
| Premiere: | 4 September 2013 |
| Finale: | 29 June 2014 |
| Previous: | Season 2 |
| Next: | Season 4 |
This is the third season of the original Octonauts series. It debuted on September 4th, 2013 in the UK on CBeebies. The season contains 20 11-minute episodes, as well as three 22-minute specials.
This season debuts the Gup-S (The Over and Under Adventure), and the deep-sea Octo-Lab (The Mariana Trench Adventure). The new Gup and base are used more frequently in following seasons.
Episodes[]
DISCLAIMER: The list provided on this article is based off of the episode order and descriptions provided by Netflix. This has been done to streamline the organization of the episodes on the wiki according to continuity and the main platform Octonauts can be streamed on at the moment. Despite this change, the original air dates listed will still be according to the premieres on CBeebies UK, with the BBC websites as a reference. Not all of the air dates have been fully retrieved, so this will update over time.
| # | Title | Original Air Date |
|---|---|---|
| 1 | "The Water Bears" | September 5th, 2013 |
| The team faces the heat of a lava tube to rescue a water bear. | ||
| 2 | "The Barracudas" | TBA |
| Fearsome barracudas disrupt a mission to replant a mangrove forest. | ||
| 3 | "The Cone Snail" | September 6th, 2013 |
| Peso must rescue the Octopod from a harpoon-shooting come snail. | ||
| 4 | "The Artificial Reef" | September 9th, 2013 |
| Tweak and her team turn the Gup-F into a sanctuary when a storm destroys a reef. | ||
| 5 | "The Humpback Whales" | TBA |
| A humpback whale helps Kwazii retrieve the key to a treasure chest. | ||
| 6 | "The Platypus" | TBA |
| Stinging platypuses attack the Octonauts after they find an unusual egg. | ||
| 7 | "The Mudskippers" | TBA |
| The Octonauts step in to help three mudskippers whose home has been swept away. | ||
| 8 | "The Immortal Jellyfish" | TBA |
| The Octonauts discover a jellyfish that can seemingly live forever. | ||
| 9 | "The Sea Skaters" | TBA |
| Kwazii gets lost at sea and meets some sea skaters, the ocean’s only insects. | ||
| 10 | "The Siphonophore" | September 4th, 2013 |
| The Octonauts must stop a deep-sea creature from reaching the surface. | ||
| 11 | "The Urchin Invasion" | TBA |
| The Octonauts visit Shellington’s sister and find the kelp forest besieged by urchins. | ||
| 12 | "The Lionsmane Jelly" | TBA |
| The Octopod is threatened by a jellyfish’s tentacles. | ||
| 13 | "The Pelicans" | TBA |
| The Octonauts help a flock of pelicans clean up a floating patch of garbage. | ||
| 14 | "The Hammerhead Sharks" | TBA |
| The team observes mischievous baby hammerhead sharks on their first hunt. | ||
| 15 | "The Red Rock Crabs" | TBA |
| The Octonauts look to old friends for help in rounding up wayward crabs. | ||
| 16 | "The Sea Pigs" | TBA |
| The Octonauts must stop some sea pigs from falling into the Mariana Trench. | ||
| 17 | "The Sea Sponge" | TBA |
| Peso tries to find out what’s making a sea sponge sick. | ||
| 18 | "The Loggerhead Sea Turtle" | TBA |
| Barnacles seeks help from a sea turtle when a quake separates the Gup-X from its crew. | ||
| 19 | "The Harbour Seal" | TBA |
| A harbor seal detective helps find a remora that vanished while under Peso’s care. | ||
| 20 | "The Yeti Crab" | TBA |
| The Octonauts face a ferocious yeti crab in the Midnight Zone. | ||
| 21 | "The Great Arctic Adventure" | December 17th, 2014 |
| While the Octopod is in for repairs, the Octonauts take a vacation, and Peso helps Barnacles’ sister and her cubs learn arctic survival. | ||
| 22 | "The Mariana Trench Adventure" | May 27th, 2013 |
| The team takes Tweak’s new station into the deepest part of the ocean, where they encounter strange creatures and hazardous conditions. | ||
| 23 | "The Over / Under Adventure" | March 14th, 2014 |
| While researching Antarctica, the Octonauts must save a population of sea stars, urchins, and other sea bed-dwelling creatures from a rare phenomenon. | ||