The Bride of the Crab
Storyline: Gold digger Mona wants to marry rich Donald Donder. Donald lives in a huge seaside mansion that is above underwater caverns that are said to be full of riches. Mona doesn't care about Donald, and when he's severely injured after getting her some jewels in the caverns, she leaves him to die. Donald is saved by a race of humanoid crab monsters. They are his family descendants who have found a way to cheat death by taking a serum that turns them into crab creatures so they can live underwater. After taking the serum the now crab-like Donald goes looking for his bride Mona!
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