| Season 1 | |
|---|---|
 | |
| Episodes: | 52 |
| Premiere: | October 4, 2010 |
| Finale: | February 11, 2011 |
| Next: | Season 2 |
This is the first season of the original Octonauts series. It premiered on October 4th, 2010 in the UK on CBeebies. The season contains 50 11-minute episodes, as well as two 22-minute specials.
This season debuts the Gup-A, Gup-B, Gup-C, Gup-D, and Gup-E, the five main Gups used primarily throughout the series. Also introduced is the Gup-F (The Speedy Sailfish), an unfinished prototype Gup, and the Gup-X (The Great Christmas Rescue), which is used 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 air dates have been fully retrieved, so this will update over time.
| # | Title | Original Air Date |
|---|---|---|
| 1 | "The Undersea Storm" | October 5th, 2010 |
| It’s reef lobsters to the rescue when Kwazii’s Gup-B breaks down. | ||
| 2 | "The Giant Squid" | October 11th, 2010 |
| The Octonauts launch a determined search for an elusive giant squid. | ||
| 3 | "The Great Algae Escape" | October 13th, 2010 |
| The crew pursues crustaceans who’ve hijacked the Octopod. | ||
| 4 | "The Walrus Chief" | October 7th, 2010 |
| Captain Barnacles and Kwazii don walrus disguises to recover Peso’s stolen medical kit. | ||
| 5 | "The Flying Fish" | October 8th, 2010 |
| A school of flying fish takes off with Professor Inkling’s book. | ||
| 6 | "The Narwhal" | October 26th, 2010 |
| A narwhal comes to the Octonauts’ rescue when arctic ice grounds the Octopod. | ||
| 7 | "The Monster Map" | October 19th, 2010 |
| A treasure map leads the Octonauts to an incredible octopus. | ||
| 8 | "The Crab & Urchin" | October 6th, 2010 |
| The crew tries to help an urchin and a carrier crab get along. | ||
| 9 | "The Albino Humpback Whale" | October 21st, 2010 |
| An albino humpback whale comes to the Octonauts with a serious case of sunburn. | ||
| 10 | "The Remipedes" | October 14th, 2010 |
| A group of remipedes helps Shellington find his way out of a cave. | ||
| 11 | "The Orcas" | October 12th, 2010 |
| Fiddler crabs help the Octonauts get a beached orca back into the water. | ||
| 12 | "The Blobfish Brothers" | October 18th, 2010 |
| The crew tries to get three blobfish to safety before a volcano blows. | ||
| 13 | "The Decorator Crab" | November 5th, 2010 |
| A decorator crab with sticky fingers has been taking the Octonauts’ things to outfit his shell. | ||
| 14 | "The Whale Shark" | October 4th, 2010 |
| Dashi winds up inside a whale shark. | ||
| 15 | "The Cookiecutter Sharks" | December 13th, 2010 |
| The Octonauts trace their ruined equipment to a trio of cookiecutter sharks. | ||
| 16 | "The Jellyfish Bloom" | December 16th, 2010 |
| Shellington gets caught in a huge jellyfish bloom. | ||
| 17 | "The Speedy Sailfish" | October 15th, 2010 |
| Life’s like an undersea rodeo when Barnacles and Kwazii ride some sailfish. | ||
| 18 | "The Vampire Squid" | December 8th, 2010 |
| Peso travels to the “Midnight Zone” where he meets a vampire squid. | ||
| 19 | "The Humuhumus" | February 10th, 2011 |
| Fear drives a school of humuhumu fish into the Octopod’s waterworks. | ||
| 20 | "The Giant Spider Crab" | February 11th, 2011 |
| Kwazii mistakes an enormous spider crab for an actual spider. | ||
| 21 | "The Giant Kelp Forest" | October 22nd, 2010 |
| The Octonauts must trek through a kelp forest to find their Gup-B sub. | ||
| 22 | "The Hermit Crab" | November 2nd, 2010 |
| Tweak and Peso try to help a hermit crab come out of his shell. | ||
| 23 | "The Hungry Pilot Fish" | December 7th, 2010 |
| A hungry pilot fish comes in handy when the Octonauts run into a whitetip shark. | ||
| 24 | "The Beluga Whales" | December 6th, 2010 |
| Music is the key to saving a pod of stranded beluga whales. | ||
| 25 | "The Snot Sea Cucumber" | October 29th, 2010 |
| The captain gets creative when a snot sea cucumber invades the Octopod. | ||
| 26 | "The Giant Whirlpool" | November 1st, 2010 |
| The Octonauts race to save a leatherback sea turtle from a giant whirlpool. | ||
| 27 | "The Slime Eels" | January 26th, 2011 |
| Slime eels stand between Kwazii and pirate treasure. | ||
| 28 | "The Arctic Orcas" | January 25th, 2011 |
| Orcas come to the rescue when Captain Barnacles and Peso are lost in the Arctic Sea. | ||
| 29 | "The Lost Sea Star" | October 20th, 2010 |
| The Octonauts comb the ocean to help a lost sea star find its home. | ||
| 30 | "The Giant Jelly" | December 10th, 2010 |
| Peso needs a helping hand when he gets caught in a giant comb jelly. | ||
| 31 | "The Snapping Shrimp" | October 28th, 2010 |
| The Octonauts cross paths with a snapping shrimp. | ||
| 32 | "The Kelp Forest Rescue" | November 4th, 2010 |
| Peso’s little brother, Pinto, shadows him on a rescue mission to save Shellington and Dashi. | ||
| 33 | "The Enormous Elephant Seal" | January 27th, 2011 |
| The Octonauts let an elephant seal molt inside the Octopod. | ||
| 34 | "The Sardine School" | January 28th, 2011 |
| The Octonauts help a lost sardine who’s looking for her school. | ||
| 35 | "The Eel Ordeal" | February 1st, 2011 |
| A migrating young eel needs the Octonauts’ assistance on her journey upriver. | ||
| 36 | "The Dolphin Reef Rescue" | January 31st, 2011 |
| The Octonauts team with dolphins to save a sickly coral reef. | ||
| 37 | "The Pirate Parrotfish" | February 4th, 2011 |
| While seeking pirate treasure, the Octonauts meet a parrotfish. | ||
| 38 | "The Electric Torpedo Rays" | February 7th, 2011 |
| Electric torpedo rays help the Octonauts jump-start a powerless Octopod. | ||
| 39 | "The Midnight Zone" | October 27th, 2010 |
| The Octonauts explore the “Midnight Zone” and discover a new worm species. | ||
| 40 | "The Mixed Up Whales" | November 3rd, 2010 |
| The crew comes between two blue whales who are trying to communicate. | ||
| 41 | "The Seahorse Tale" | December 9th, 2010 |
| The Octonauts try to help a seahorse find its missing mate, who is about to give birth. | ||
| 42 | "The Enemy Anemones" | October 25th, 2010 |
| The crew becomes caught between two groups of anemones. | ||
| 43 | "The Crafty Cuttlefish" | February 8th, 2011 |
| A cuttlefish that can change shape has stolen Captain Barnacles’ Octocompass. | ||
| 44 | "The Lost Lemon Shark" | February 9th, 2011 |
| The Octonauts help a lemon shark find his way back home. | ||
| 45 | "The Baby Dolphin" | December 17th, 2010 |
| Kwazii looks after a baby dolphin who follows him home. | ||
| 46 | "The Scary Spookfish" | January 24th, 2011 |
| The Octonauts meet a see-through spookfish while trying to rescue Peso from a trench. | ||
| 47 | "The Oarfish" | December 14th, 2010 |
| Dashi takes a picture of an oarfish that’s unbelievably long. | ||
| 48 | "The Combtooth Blenny" | December 15th, 2010 |
| A shipwrecked Peso and Kwazii meet a fish who can walk on land. | ||
| 49 | "The Marine Iguanas" | February 2nd, 2011 |
| Ravenous marine iguanas devour all the Octonauts’ seaweed. | ||
| 50 | "The Dwarf Lanternshark" | February 3rd, 2011 |
| The Octonauts come to the aid of an injured dwarf lanternshark. | ||
| 51 | "The Great Penguin Race" | December 13th, 2010 |
| With his friends cheering him on, Peso competes in the annual Iron Clam Competition and goes up against a formidable adversary. | ||
| 52 | "The Great Christmas Rescue" | December 1st, 2011 |
| Professor Inkling invites the Octonauts to his childhood home for the holidays, only to find out that his octopus nephew is now endangered. | ||