Summary: While on a low-economy cruise to Pago Pago Island, the gang's ship is attacked and sunk by Captain Nemo's super submarine. The great-grandson of the original Nemo reveals his plans of using his sub to sink any ship in his path in order to rule the seas. After being captured and dropped to the bottom of the ocean, the Pussycats escape, locate Nemo's headquarters on Volcano Island and set out to stop his plans in their unusual, madcap fashion.