The Octonauts and the Purrmaids

The Octonauts and the Purrmaids is the 39th episode of Season 27.

Summary
While learning how to make a mega whirlpool, the Octonauts and their friends meet some cute half kitten and half mermaid creatures called Purrmaids, and travel to their homeland, Kittentail Cove. But when it is in trouble, Captain Jake and Catboy must learn to not argue and show off so much to save the day.

Plot
The episode begins outside the Octopod where Kwazii is about to teach his two best friends and apprentices, Captain Jake and Catboy, a new OPB lesson. They were gonna learn how to make a mega whirlpool!