Octonauts - The Mariana Trench Adventure
Watchlist
Audio DescribedSign Language
Episodes Episodes
- Series 1: 31. The Cookiecutter SharkA trio of pesky cookiecutter sharks make holes in the Octonauts' equipment.11 mins
- Series 1: 32. The OarfishDashi snaps a picture of what appears to be a sea serpent.11 mins
- Series 1: 33. The Combtooth BlennyKwazii and Peso are shipwrecked on a desert island.11 mins
- Series 1: 34. The Jellyfish BloomWhen Shellington gets trapped, it's up to the Octonauts to rescue him.11 mins
- Series 1: 35. The Baby DolphinA young dolphin follows Kwazii home.11 mins
- Series 1: 36. The Scary SpookfishThe Octonauts try to pull Peso out of an oceanic trench.11 mins
- Series 1: 37. The Arctic OrcasCaptain Barnacles and Peso get lost in the icy Arctic sea.11 mins
- Series 1: 38. The Slime EelsKwazii wants the treasure in a sunken ship, but it is protected by slime-squirting eels.11 mins
- Series 1: 39. The Enormous Elephant SealAn enormous elephant seal overstays his welcome in the Octopod.11 mins
- Series 1: 40. The Sardine SchoolThe Octonauts must work together as a team to help a lost sardine find her school.11 mins
- Series 1: 41. The Dolphin Reef RescueThe Octonauts get some unexpected help from a pod of playful dolphins.11 mins
- Series 1: 42. The Eel OrdealThe Octonauts help a young migrating eel on her difficult journey.11 mins
- Series 1: 43. The Marine IguanasA trio of salt-sneezing marine iguanas steal the Octonauts' seaweed!11 mins
- Series 1: 44. The Dwarf LanternsharkThe Octonauts must help a tiny, injured dwarf lanternshark, but have to find him first.11 mins
- Series 1: 45. The Pirate ParrotfishWhen the Octonauts go on a pirate treasure hunt, Kwazii meets a parrotfish.11 mins
- Series 1: 46. The Electric Torpedo RaysThe Octonauts give the Octopod a jump-start with electric torpedo rays.11 mins
- Series 1: 47. The Crafty CuttlefishCaptain Barnacles's compass has been taken by a crafty, shape-shifting cuttlefish.11 mins
- Series 1: 48. The Lost Lemon SharkThe Octonauts look after a lemon shark who has hurt his nose and can't find his way home.11 mins
- Series 1: 49. The Humuhumunukunukuapua'aThe Octopod's waterworks become flooded with frightened humuhumu fish.11 mins
- Series 1: 50. The Giant Spider CrabA very old spider crab needs the Octonauts' help.11 mins
- This episodeThe Mariana Trench Adventure
- Series 3: 7. Sea PigsThe Octonauts must stop a huge herd of sea pigs before they fall into the Mariana Trench.11 mins
- Series 3: 8. Yeti CrabA yeti crab damages the ship, endangering itself and the Octonauts.11 mins
- Series 3: 9. BarracudasShellington and the Vegimals' mission to replant a mangrove forest is put in peril.11 mins
- Series 3: 10. Duck-Billed PlatypusWhile rescuing river creatures after a storm, the Octonauts find a strange egg.11 mins
- Series 3: 11. Sea SkatersWhen Kwazii gets lost at sea aboard the tiny Octo-Ski, he meets a flotilla of sea skaters.11 mins
- Series 3: 12. MudskippersThe Octonauts attempt to keep the peace amongst a trio of mudskippers.11 mins
- Series 3: 13. Harbour SealThe Octonauts enlist a unique undersea detective to find a missing patient.11 mins
- Series 3: 14. Lion's Mane JellyfishA lion's mane jellyfish gets its long and stingy tentacles tangled in the bubble engine.11 mins
- Series 3: 15. Red Rock CrabsShellington and the crew try to gather some crabs who have drifted away from home.11 mins
- Series 3: 16. Sea SpongeA sea sponge that houses other creatures in its pores suffers from a mysterious illness.11 mins
- Series 4: 2. Octonauts and the Hidden LakeIn Antarctica, Shellington discovers strange microscopic creatures living under the ice.11 mins
- Series 4: 3. Octonauts and the Octopod MysteryWhen the Octopod breaks down, the crew must search for a missing part.11 mins
- Series 4: 4. Octonauts and the Baby Sea TurtlesAs newborn baby sea turtles make their way to the ocean, the Octonauts must help them.11 mins
- Series 4: 5. Octonauts and the Walrus PupsCaptain Barnacles must rescue walrus pups who are stranded on a runaway ice floe.11 mins
- Series 4: 6. Octonauts and the Mantis ShrimpThe Octonauts must get two mantis shrimp to stop fighting.11 mins
