: 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.
: 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. [S1E20] The Siren's Song
: It is often praised for its "creepy mystery" and the emotional depth given to Velma's character. : Amy is revealed to be the wife of Dr
: 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