The past is a deadly weapon.

When a hungry tiger shark eats the camera that Tweak's turtle friend Sandy gets in the Octopod, she and the Octonauts must rescue her before it eats everything in its path. When a huge sunfish enters ...

Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts follow an old map to what Kwazii believes is treasure guarded by a sea monster.