Dashi teams up with her little sister Koshi to help the Octonauts solve a mysterious disappearance in the Kelp Forest. This is the second episode in which is unknown who sounded the Octo-Alert.
| Title | Octonauts - Season 4 Episode 21 : Octonauts and the Kelp Monster Mystery |
|---|---|
| Alternative Titles | The Octonauts, 海底小纵队, 海底小纵队, 바다 탐험대 옥토넛, 바다탐험대 옥토넛, Oktonauti |
| First Air Date | 2010-10-04 |
| Last Air Date | 2025-07-31 |
| Number of Episodes | 273 |
| Number of Seasons | 10 |
| Genres | Animation, Kids, |
| Networks | CBeebies, |
| Casts | Keith Wickham, Simon Greenall, Jo Wyatt, Rob Rackstraw |
| Plot Keywords | , |
Episodes List
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Octonauts Season 4 :Episode 1 Octonauts and the Poison Dart Frogs Octonauts and the Poison Dart Frogs
2015-09-23Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 2 Octonauts and the Hidden Lake Octonauts and the Hidden Lake
2015-09-24Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 3 Octonauts and the Octopod Mystery Octonauts and the Octopod Mystery
2015-09-25Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 4 Octonauts and the Baby Sea Turtles Octonauts and the Baby Sea Turtles
2015-09-28Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 5 Octonauts and the Walrus Pups Octonauts and the Walrus Pups
2015-09-29Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 6 Octonauts and the Mantis Shrimp Octonauts and the Mantis Shrimp
2015-09-30Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 7 Octonauts and the Loneliest Whale Octonauts and the Loneliest Whale
2015-10-01Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 8 Octonauts and the Tree Lobsters Octonauts and the Tree Lobsters
2015-10-02Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 9 Octonauts and the Convict Fish Octonauts and the Convict Fish
2015-12-14Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 10 Octonauts and the Emperor Penguins Octonauts and the Emperor Penguins
2015-12-16Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 11 Octonauts and the Crawfish Octonauts and the Crawfish
2016-12-03Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 12 Octonauts and the Flamingos Octonauts and the Flamingos
2016-12-04Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 13 Octonauts and the Tiger Shark Octonauts and the Tiger Shark
2017-05-27Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 14 Octonauts and the Sunfish Octonauts and the Sunfish
2017-05-28Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 15 Octonauts and the Coelacanth Octonauts and the Coelacanth
2017-05-29Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 16 Octonauts and the Surfing Snails Octonauts and the Surfing Snails
2017-09-06Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 17 Octonauts and the Yellow Bellied Sea Snakes Octonauts and the Yellow Bellied Sea Snakes
2017-09-13Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 18 Octonauts and the Hippos Octonauts and the Hippos
2017-09-20Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 19 Octonauts and Operation Cooperation Octonauts and Operation Cooperation
2017-09-27Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 20 Octonauts and the Bomber Worms Octonauts and the Bomber Worms
2017-10-23Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 21 Octonauts and the Kelp Monster Mystery Octonauts and the Kelp Monster Mystery
2017-10-24Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 22 Octonauts and the Coconut Crisis Octonauts and the Coconut Crisis
2017-10-25Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 23 Octonauts and the Baby Gator Octonauts and the Baby Gator
2017-10-26Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
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Octonauts Season 4 :Episode 24 Octonauts and the Spinner Dolphins Octonauts and the Spinner Dolphins
2017-10-27Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the...
