The Octonauts and the Mantis Shrimp

The Octonauts and the Mantis Shrimp is the 6th episode in the 4th series of Octonauts.

Plot synopsis
When 2 mantis shrimp invade the Octopod, The Octonauts must stop them from fighting before they crash the ship into the coral reef!

Appearances

 * Claws of Danger
 * All Octonauts