Scooby-Doo and Scrappy-Doo
Season 1, Episode 9: Twenty Thousand Screams Under the Sea
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In Acapulco, the Sea Beast of the Aztecs rises and scares away all the divers. Of course the gang have to investigate.
All Episodes - Season 1
Episode 1
The Scarab Lives!
Episode 2
The Night Ghoul of Wonderworld
Episode 3
Strange Encounters of a Scooby Kind
Episode 4
The Neon Phantom of the Roller Disco!
Episode 5
Shiver and Shake, That Demon's a Snake
Episode 6
The Scary Sky Skeleton
Episode 7
The Demon of the Dugout
Episode 8
The Hairy Scare of the Devil Bear
Episode 9
Twenty Thousand Screams Under the Sea
Episode 10
I Left My Neck in San Francisco
Episode 11
When you Wish Upon a Star Creature
Episode 12
The Ghoul, the Bat, and the Ugly
Episode 13
Rocky Mountain Yiiiii!
Episode 14
The Sorcerer's a Menace
Episode 15
Lock the Door, It's a Minotaur
Episode 16
The Ransom of Scooby Chief