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
The episode begins with the disappearance of a sardine boat near a haunted oil platform. Feeling like a "fifth wheel" because of Fred and Daphne’s budding romance and Shaggy’s close bond with Scooby, Velma follows an anonymous tip from her blog. This leads her to encounter , a mysterious "mer-woman" who appeals to Velma’s desire for a secret friend.
"The Siren's Song" - Scooby-Doo! Mystery Incorporated (S1E20) [S1E20] The Siren's Song
: 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. The gang eventually uncovers a plot by and
: This episode marks a major turning point in the series’ central mystery. Velma confronts Angel Dynamite , accusing her of being Cassidy Williams , a member of the original Mystery Incorporated who vanished years ago.
: Features the primary voice cast, including Mindy Cohn as Velma and Frank Welker as Fred/Scooby. Feeling like a "fifth wheel" because of Fred
In the episode "[S1E20] The Siren's Song," the series leans into its overarching mystery while focusing on Velma’s feelings of isolation within the gang. Plot Summary