Beware the Beast from Below

Beware The Beast From Below is the series premiere of Scooby-Doo! Mystery Incorporated.

Premise
After being jailed for solving a mystery, the gang stumbles upon yet another case: a slime mutant that lives underneath Crystal Cove is cocooning anyone who gets in its way. Despite being warned not to continue investigating by their parents and authority figures the gang attempt to solve the mystery anyway.

Synopsis
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Villains

 * Emmanuel Raffalo/Slime Mutant

Locations

 * Crystal Cove
 * Crystal Cove Police Department
 * Crystal Cove Spook Museum
 * Jones Mansion
 * Blake Mansion
 * Rogers Mansion
 * Crystal Cove Caves
 * Fruitmeir's
 * K-Ghoul

Notes/trivia

 * This was originally aired as a sneak peak on April 5, 2010; it officially aired 12 July 2010.
 * UK premiere date: 25th October, 2010.
 * Daphne's older sisters appear (in cameos) for the first time: Daisy, Dawn, Dorothy and Delilah.
 * Shaggy mentions that the night before he had fallen asleep watching a Vincent Van Ghoul movie, referencing the original incarnation of the character from The 13 Ghosts of Scooby-Doo.
 * One of the tourists (voiced by Jeff Bennett) following Velma resembles Don Knotts. Don Knotts appeared as himself on The New Scooby-Doo Movies.
 * Franklin Fruitmeir was suspected to be the Slime Mutant; coincidentally, he has the same voice actor as the creature.

In other languages

 * Spanish: Cuidado con la bestia de la alcantarilla.