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Twenty Thousand Screams Under the Sea is the ninth episode of the original half-hour, Scooby-Doo and Scrappy-Doo.


The gang is in Acapulco to watch the cliff diving show. However, they encounter the Sea Beast of the Aztecs which scares the divers off and haunts a bay.


Insert details here.


Main characters:

Supporting characters:

Monsters and other villains:

Other other characters:

  • Judge (single appearance)
  • Cliff diving contestants (single appearance)(no lines)
  • Harbour patrol officer (single appearance)




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Food and drinks:

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Other objects:

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Suspect Motive/reason
Senior Gonzales Wanted the gang out of his shop after they read in his customers book.


Culprit Motive/reason
Tiger Morris as the Sea Beast of the Aztecs To find treasure.


Don Messick Scooby-Doo
Lennie Weinrib Scrappy-Doo
Casey Kasem Shaggy Rogers
Frank Welker Fred Jones
Senior Gonzales
Heather North Kenney Daphne Blake
Pat Stevens Velma Dinkley
John Stephenson Miguel Valdez
Pat Fraley Tiger Morris
Sea Beast of the Aztecs
Harbour patrol officer


  • The title of the episode is a reference to the 1870 novel, Twenty Thousand Leagues Under the Sea, by Jules Verne.
  • Daphne, Fred and Velma scuba dive in this episode.

Animation mistakes and/or technical glitches

  • When Daphne, Fred, and Velma come up from scuba diving, Fred's mouth moves when he talks, Daphne's doesn't.

Inconsistencies/continuity errors and/or goofs/oddities

  • None known.

In other languages

Language Name Meaning
Greek Είκοσι Χιλιάδες Κραυγές Κάτω από τη Θάλασσα Twenty Thousand Screams Under the Sea

Home media


External links

  • TBA

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The Hairy Scare of the Devil Bear Scooby-Doo and Scrappy-Doo (first series)
List of episodes
I Left My Neck in San Francisco
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