After making a startling discovery about the cause of the disaster, Jedi Master Kit Fisto dives to the sea floor in a last-ditch effort to rescue those trapped on the sinking Axil Research Station. Among the submerged ruins, he comes face-to-face with the fearsome Xorfin. Can Fisto best the monsters and save the station, or will the remaining researchers become leviathan food?

• Series finale!