[s1e20] The Siren's Song -

: Amy is revealed to be the wife of Dr. Spike Cavenaugh, Destroido’s former chief of geology. She manipulated Velma into helping her rescue her husband, who had been kidnapped by the Fish Freaks.

"The Siren's Song" - Scooby-Doo! Mystery Incorporated (S1E20) [S1E20] The Siren's Song

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 : Amy is revealed to be the wife of Dr

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 Siren's Song" - Scooby-Doo

: 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.