The Octonauts embark on an underwater adventure, navigating a set of challenging caves to help a small octopus friend return to the Caribbean Sea.

Top Cast

Simon GreenallCaptain Barnacles (Voice)

Paul PantingPeso (Voice)

Jo WyattTweak (Voice)

Keith WickhamShellington/Inkling (Voice)

Michael C. MurphyTurnip (Voice)

Teresa GallagherDashi/Ryla (Voice)

Rob RackstrawKwazii (Voice)