The Siren's Song Scooby-Doo! Mystery Incorporated : Season 1 Episode 20
TV-Y7-FV Cartoon Network 23m
Aired: June 14th, 2011 @ 5:00 PM EST on Cartoon Network
Feeling left out of the group, Velma goes solo to investigate attacks by amphibious "Fish Freaks" in the area around an abandoned oil rig, only to find a friend of her own... in the form of a mermaid!
