Octonauts - Series 5: 1. Bluefin Tuna
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Episodes Episodes
- Series 1: 1. The Whale SharkWhen Dashi is swallowed by a whale shark, the Octonauts venture inside it to rescue her.11 mins
- Series 1: 2. The Undersea StormKwazii's Gup-B breaks down in a storm, but a chain of reef lobsters lends a hand.11 mins
- Series 1: 5. The Flying FishA school of flying fish accidentally make off with Professor Inkling's rare book.11 mins
- Series 1: 6. The Giant SquidThe Octonauts set out to find and photograph Inkling's long-lost cousin.11 mins
- Series 1: 7. The OrcasAn enormous orca whale is stranded on a beach.11 mins
- Series 1: 8. The Great Algae EscapeThe crew must catch a runaway Octopod after it is hijacked by a group of crustaceans.11 mins
- Series 1: 9. The RemipedesWhen Shellington gets lost in a sea cave, he gets assistance from some blind remipedes.11 mins
- Series 1: 10. The Speedy SailfishBarnacles and Kwazii use some speedy sailfish to round up all the Gups.11 mins
- Series 1: 11. The Blobfish BrothersThe Octonauts must evacuate a slow-moving, gelatinous blobfish before a volcano erupts.11 mins
- Series 1: 12. The Monster MapThe Octonauts meet a playful octopus with all kinds of surprising abilities.11 mins
- Series 1: 20. The Snot Sea CucumberA slim creature gets loose onboard the Octopod, so Captain Barnacles tries to save it.11 mins
- Series 1: 21. The Giant WhirlpoolThe Octonauts race against time to rescue Tweak's pal, a leatherback sea turtle.11 mins
- Series 1: 22. The Hermit CrabsPeso and Tweak help to remove a stuck hermit crab from its shell.11 mins
- Series 1: 23. The Mixed-Up WhalesThe Octonauts clean and repair their ship, the Octopod.11 mins
- Series 1: 24. The Kelp Forest RescuePeso's little brother Pinto accompanies him on a mission to rescue Dashi and Shellington.11 mins
- Series 1: 25. The Decorator CrabThe Octonauts stake out a thief, who turns out to be a decorator crab.11 mins
- Series 1: 26. The Beluga WhalesThe Octonauts lead a pod of stranded beluga whales to safety.11 mins
- Series 1: 27. The Hungry Pilot FishA lost pilot fish cleans up the Octonauts' dirty gups - but he is still hungry!11 mins
- Octonauts Special: The Amazon AdventureThe Octonauts travel deep down the Amazon River in search of a lost city.23 mins
- Series 4: 10. Octonauts and the Emperor PenguinsThe Octonauts journey across an expanse of ice to help a get a mother back to her family.11 mins
- Series 4: 11. Octonauts and the CrawfishWhen a mysterious illness affects all the crawfish, the Octonauts race to find a cure.11 mins
- Series 4: 12. Octonauts and the FlamingosThe Octonauts wade through a swamp to find a lost flamingo chick before predators do.11 mins
- Series 4: 13. Octonauts and the Tiger SharkTweak must help her friend Sandy the sea turtle escape a hungry tiger shark.11 mins
- Series 4: 14. Octonauts and the SunfishThe Octonauts must help a giant sunfish who can't swim straight, before it hurts itself.11 mins
- Series 4: 15. Octonauts and the CoelacanthWhile exploring a cave, the Octonauts discover the fossil of a powerful, prehistoric fish.11 mins
- Series 4: 16. Octonauts and the Surfing SnailWhen surfing snails are swept out to sea by a huge wave, it's up to Dashi to save them.11 mins
- Series 4: 17. Octonauts and the Yellow Belly Sea SnakesWhen poisonous sea snakes get stranded on a beach, Peso must get them back into the ocean.11 mins
- Series 4: 18. Octonauts and the HipposReturning home from Africa, the Octonauts encounter a gang of large, territorial hippos.11 mins
- Series 4: 19. Octonauts and Operation CooperationShellington and Kwazii team up with a moray eel and grouper fish after the Gup-D crashes.11 mins
- Series 4: 20. Octonauts and the Bomber WormsWhile diving down to the Midnight Zone, the Octonauts are attacked by bomber worms.11 mins
- Series 4: 21. Octonauts and the Kelp Monster MysteryDashi and her little sister Koshi solve a mysterious disappearance in a kelp forest.11 mins
- Series 4: 22. Octonauts and the Coconut CrisisKwazii and the Octonauts help the coconut crabs discover who is stealing their coconuts.11 mins
- Series 4: 23. Octonauts and the Baby Alligator SearchKwazii adopts a baby alligator, but it escapes from the Octopod.11 mins
- Series 4: 24. Octonauts and the Spinner DolphinsThe Octonauts try to save some spinner dolphins who seem to be swimming in their sleep.11 mins
- This episodeSeries 5: 1. Bluefin Tuna
- Series 5: 2. Blue Whale RescueWhen Kwazii discovers an injured blue whale, the Octonauts struggle to keep it afloat.11 mins
