While diving down to the Midnight Zone, the Octonauts are attacked by bomber worms, and are enlisted to rescue an injured ...

The Octonauts race against time to rescue Tweak's pal, a Leatherback Sea Turtle who's caught in a fast-moving ocean current that's sucking it into a whirlpool.

When a mass of poisonous sea snakes get stranded on a beach, Peso and the Octonauts must somehow get them all back into the ocean. When a giant wave hurls Amazon River creatures up into the trees, the ...