Scooby-Doo and Scrappy-Doo Twenty Thousand Screams Under the Sea (Season 1, Episode 9)
TV Episode | 22 min | Animation, Adventure, Comedy

Scooby-Doo and Scrappy-Doo

Twenty Thousand Screams Under the Sea (Season 1, Episode 9)

TV Episode | 22 min | Animation, Adventure, Comedy

The Mystery Inc. gang chases a sea beast once feared by the ancient Aztec and uncover a scheme to steal jewels from a wreck in the Chilean Sea.

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Release date

Nov 17, 1979 (United States)

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Cast	+ Add Cast
7 cast members

Name	Known for
Pat Fraley Tiger Morris / Policeman (voice) Tiger Morris / Policeman (voice) See fewer	Princess Mononoke (1997)
Casey Kasem Shaggy / Diving Judge (voice) Shaggy / Diving Judge (voice) See fewer	Ghostbusters (1984)
Don Messick Scooby-Doo (voice) Scooby-Doo (voice) See fewer	The Last Unicorn (1982)
Heather North Daphne (voice) (as Heather North Kenney) Daphne (voice) (as Heather North Kenney) See fewer	The New Scooby and Scrappy-Doo Show (1983)
Patricia Stevens Velma (voice) Velma (voice) See fewer	MAS*H (1972)
Lennie Weinrib Scrappy-Doo (voice) Scrappy-Doo (voice) See fewer	Bedknobs and Broomsticks (1971)
Frank Welker Fred / Senor Gonzalez (voice) Fred / Senor Gonzalez (voice) See fewer	Transformers: Dark of the Moon (2011)