S4·E21 Octonauts and the Kelp Monster Mystery
Core
Aired October 24, 2017
Synopsis
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.
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Frequently Asked Questions
When did Season 4 Episode 21 of Octonauts air?
Season 4, Episode 21 ('Octonauts and the Kelp Monster Mystery') originally aired on October 24, 2017.
How long is Season 4 Episode 21 ('Octonauts and the Kelp Monster Mystery')?
The episode follows the standard broadcast runtime for Octonauts.
What happens in Octonauts Season 4 Episode 21?
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....