"Demon of the Water Planet" is the sixteenth episode of Outlaw Star. The episode did not air in Japan on TV Network, but aired February 5, 2001 on Toonami in North America.
The Outlaw Star is contracted by an old outlaw looking secure 15 tons of dragonite from a sunken pirate ship on the water planet, Heifong VII.
- This is the seventh and last episode where Suzuka does not appear.
- When Jim is calculating profit figures, the date and time on his computer is shown as the 6th of October, 23:16. (11PM at night) However, in a prior scene, it is daylight outside.