Astrosaurs: The Seas Of Doom

Teggs and his crew have been sent to a watery planet where a very large and very scary monster has been attacking a local fish factory. When Teggs and Gipsy travel down to the bottom of the sea to check out the monster, they come under attack themselves - and end up in the company of a rather strange creature with amnesia... Will they manage to find their way back to the surface?