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|This needs a stretch.|
Scooby-Doo and the rest of the Mystery Inc. gang go deep under the sea. They're searching for the secret behind the creepy crone known as the Mad Mermaid! She's spooking an underwater lab, and now she's set her sights on the gang's submarine.
Insert details here.
- Graham Neilson (single appearance)
- Angus Grubb (single appearance)
- Argus Grubb (single appearance)
- Mermaid's Ghost (single appearance)(disguise)/
- Jane (single appearance)
- Professor Ludwright (single appearance)
- "You" (mentioned)
|Graham Neilson||He hated all the underwater work at the research base.|
|Professor Ludwright and Jane||They were hiding the fact of what they hoped to find with the special underwater vaccum cleaners that they invented.|
|Angus and Argus Grubb||They could have wanted to scare the scientists out of owning the research base, so that they could take it over, sell it, and build their own restaurant on dry land.|
| Jane as the Mermaid's Ghost|
|To steal pearls.|