Season 4, Episode 19 (Octonauts And The Spinner Dolphins)

3.0 31 x
The Octonauts struggle to save a pod of spinner dolphins who seem to be swimming in their sleep.

Season 4, Episode 18 (Octonauts And The Loneliest Whale)

3.0 16 x
The Octonauts follow a strange song to a lonely humpback whale, who is alone because he doesn't sound like the other whales!

Season 4, Episode 16 (Octonauts And The Hippos)

4.0 29 x
Returning home from a mission along an African river, the Octonauts have trouble getting past a gang of large, territorial hippos.

Season 1, Episode 49 (The Octonauts And The Humuhumunukunukuapua'a)

3.0 13 x
When the Octopod's waterworks are flooded with frightened Humuhumu fish, the Octonauts have to find a way to flush them out!

Season 3, Episode 2 (The Octonauts And The Mimic Octopus)

3.0 6 x
The Octonauts recruit a shape-shifting mimic octopus to help them recover an important vial of medicinal algae from a moray eel's lair.
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