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Scooby-Doo Mystery Incorporated Season 1 Episode 20

Episode Title: The Siren's Song
Genre:
Countries: USA,
Airing Date: June 14, 2011
IMDb Rating:

Watch Scooby-Doo Mystery Incorporated Season 1 Episode 20 full movie online free in HD with English subtitles – no download needed.

Scooby-Doo Mystery Incorporated: 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!

Frances Conroy     , Frank Welker     , Gary Cole     , Grey DeLisle     , Matthew Lillard     , Mindy Cohn     , Patrick Warburton