: Velma discovers that Destroido covered up an incident from 20 years ago, which explains why no records existed in the local papers. Production Details Air Date : This episode originally aired in mid-2011.
: It is often praised for its "creepy mystery" and the emotional depth given to Velma's character. [S1E20] The Siren's Song
The gang eventually uncovers a plot by and his group of radical environmentalists. Dressed as "Fish Freaks," they plan to trigger a massive oil spill to destroy the environment as a way to "save it" by proving its vulnerability. Key Revelations : Velma discovers that Destroido covered up an
"The Siren's Song" - Scooby-Doo! Mystery Incorporated (S1E20) [S1E20] The Siren's Song