: 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.
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. [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. : This episode marks a major turning point
: Features the primary voice cast, including Mindy Cohn as Velma and Frank Welker as Fred/Scooby. Feeling like a "fifth wheel" because of Fred