In the future, the rising temperature of the Earth has melted the polar ice caps. As a result, the planet's last remaining land masses are in danger of sinking into the ocean. As if humanity didn't have enough problems, an army of ocean-dwelling creatures led by the scientist Zorndyke have seemingly declared war on mankind!
Humanity's last hopes rest with the state-of-the-art vessel, Blue Sub 6 and her crew! Can Tetsu and Mayumi stop Zorndyke's mutant army and save what remains of humanity?
Contains OVA episodes 1-4.
Special Features: Creator's Eyes Interview, Blue Submarine No. 6 Digital Plus, Trailers, TV Spots.
Spoken Languages: English, Japanese, English subtitles.