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The Octonauts

Season 1 Episode 40: The Sardine School

The Octonauts embark on a mission to reunite a lone sardine with her school, requiring coordination and cooperation to ensure a successful outcome.

Season 1 Episodes:

Episode 1 The Whale Shark

1. The Whale Shark

Aired: Oct 4, 2010

Kwazii's Gup-B is stranded in a storm, leaving Captain Barnacles to face the ...

Episode 4 The Walrus Chief

4. The Walrus Chief

Aired: Oct 7, 2010

Barnacles and Kwazii embark on a daring mission to retrieve Peso's stolen med...

Episode 5 The Flying Fish

5. The Flying Fish

Aired: Oct 8, 2010

The Octonauts embark on a thrilling adventure to retrieve a rare book stolen ...

Episode 6 The Giant Squid

6. The Giant Squid

Aired: Oct 11, 2010

The Octonauts embark on a thrilling quest to locate and capture the image of ...

Episode 7 The Orcas

7. The Orcas

Aired: Oct 12, 2010

The Octonauts rush to the rescue when a massive Orca whale gets stranded on t...

Episode 9 The Remipedes

9. The Remipedes

Aired: Oct 14, 2010

The next episode follows Shellington as he navigates a treacherous dark sea c...

Episode 12 The Monster Map

12. The Monster Map

Aired: Oct 19, 2010

The Octonauts embark on a thrilling adventure, tracing an ancient map to a my...

Episode 13 The Lost Sea Star

13. The Lost Sea Star

Aired: Oct 20, 2010

The Octonauts embark on an underwater expedition to locate the natural habita...

Episode 16 The Enemy Anemones

16. The Enemy Anemones

Aired: Oct 25, 2010

The Octonauts embark on a picnic adventure on a mysterious island, but their ...

Episode 17 The Narwhal

17. The Narwhal

Aired: Oct 26, 2010

Trapped in the Arctic ice, the Octopod must rely on Barnacles' expert navigat...

Episode 18 The Midnight Zone

18. The Midnight Zone

Aired: Oct 27, 2010

The Octonauts embark on an underwater adventure, venturing into the mysteriou...

Episode 19 The Snapping Shrimp

19. The Snapping Shrimp

Aired: Oct 28, 2010

The Octonauts stumble upon a snapping shrimp, a tiny but mighty creature that...

Episode 21 The Giant Whirlpool

21. The Giant Whirlpool

Aired: Nov 1, 2010

The Octonauts embark on a thrilling mission to save Tweak's close friend, a l...

Episode 22 The Hermit Crabs

22. The Hermit Crabs

Aired: Nov 2, 2010

Next episode, Captain Barnacles Bear and his crew are stranded, leaving Peso ...

Episode 23 The Mixed-Up Whales

23. The Mixed-Up Whales

Aired: Nov 3, 2010

The Octonauts' ship maintenance sparks a blue whale's erratic behavior, putti...

Episode 25 The Decorator Crab

25. The Decorator Crab

Aired: Nov 5, 2010

The Octonauts investigate a mystery as valuable items disappear from their sh...

Episode 26 The Beluga Whales

26. The Beluga Whales

Aired: Dec 6, 2010

The Octonauts embark on a rescue mission to free a group of Beluga Whales tra...

Episode 28 The Vampire Squid

28. The Vampire Squid

Aired: Dec 8, 2010

Peso embarks on a daunting journey to the deepest part of the ocean, the Midn...

Episode 29 The Seahorse Tale

29. The Seahorse Tale

Aired: Dec 9, 2010

The Octonauts respond to a distress call from a female seahorse, whose mate h...

Episode 30 The Giant Jelly

30. The Giant Jelly

Aired: Dec 10, 2010

The Octonauts embark on a perilous mission to save Peso, who finds himself st...

Episode 32 The Oarfish

32. The Oarfish

Aired: Dec 14, 2010

A shocking discovery unfolds when Dashi captures a seemingly monstrous sea se...

Episode 33 The Combtooth Blenny

33. The Combtooth Blenny

Aired: Dec 15, 2010

Kwazii and Peso find themselves stranded on a desert island after a shipwreck...

Episode 34 The Jellyfish Bloom

34. The Jellyfish Bloom

Aired: Dec 16, 2010

The Octonauts embark on a daring rescue mission to save Shellington from a ma...

Episode 35 The Baby Dolphin

35. The Baby Dolphin

Aired: Dec 17, 2010

A playful dolphin follows Kwazii back to the Octopod, and he finds himself re...

Episode 36 The Scary Spookfish

36. The Scary Spookfish

Aired: Jan 24, 2011

The Octonauts embark on a daring rescue mission to retrieve Peso from an ocea...

Episode 37 The Arctic Orcas

37. The Arctic Orcas

Aired: Jan 25, 2011

The Octonauts embark on a thrilling rescue mission as they team up with a pod...

Episode 38 The Slime Eels

38. The Slime Eels

Aired: Jan 26, 2011

Kwazii sets his sights on a sunken pirate ship, but his treasure hunt is thre...

Episode 40 The Sardine School

40. The Sardine School

Aired: Jan 28, 2011

The Octonauts embark on a mission to reunite a lone sardine with her school, ...

Episode 42 The Eel Ordeal

42. The Eel Ordeal

Aired: Feb 1, 2011

The Octonauts embark on a perilous river expedition to aid a youthful eel as ...

Episode 43 The Marine Iguanas

43. The Marine Iguanas

Aired: Feb 2, 2011

A trio of salt-sneezing marine iguanas steal the show - and the feast - by ra...

Episode 48 The Lost Lemon Shark

48. The Lost Lemon Shark

Aired: Feb 9, 2011

A young Lemon Shark, injured and disoriented, requires the Octonauts' care an...

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Info about The Octonauts

Seasons: 9

Current Status: Returning Series

Network: CBeebies

Production Countries: Ireland, United Kingdom, United States

Genres:Comedy, Adventure, Family, Animation

The Octonauts: Where to Watch Online in United Kingdom?

Currently you are able to watch "The Octonauts" for free with ads on Prime Video, BBC iPlayer.