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Watch Scooby-Doo! Mystery Incorporated - Season 1 Episode 20 Online!:

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!

Writing:
  • Ken Spears
  • Joe Ruby
  • Mitch Watson

Stars:
Release Date: 2010-07-12
Seasons: 1 2
TMDb: 1 2 3 4 5 8.2/10
  • Country: US
  • Language: English
  • Runtime: 22

Other episodes for this season

Beware the Beast from Below
Episode 1 - Beware the Beast from Bel...
The Creeping Creatures
Episode 2 - The Creeping Creatures
Secret of the Ghost Rig
Episode 3 - Secret of the Ghost Rig
Revenge of the Man Crab
Episode 4 - Revenge of the Man Crab
The Song of Mystery
Episode 5 - The Song of Mystery
The Legend of Alice May
Episode 6 - The Legend of Alice May
In Fear of the Phantom
Episode 7 - In Fear of the Phantom
The Grasp of the Gnome
Episode 8 - The Grasp of the Gnome
Battle of the Humungonauts
Episode 9 - Battle of the Humungonaut...
Howl of the Fright Hound
Episode 10 - Howl of the Fright Hound
The Secret Serum
Episode 11 - The Secret Serum
The Shrieking Madness
Episode 12 - The Shrieking Madness
When the Cicada Calls
Episode 13 - When the Cicada Calls
Mystery Solvers Club State Finals
Episode 14 - Mystery Solvers Club Stat...
The Wild Brood
Episode 15 - The Wild Brood
Where Walks Aphrodite
Episode 16 - Where Walks Aphrodite
Escape from Mystery Manor
Episode 17 - Escape from Mystery Manor
The Dragon's Secret
Episode 18 - The Dragon's Secret
Nightfright
Episode 19 - Nightfright
The Siren's Song
Episode 20 - The Siren's Song
Menace of the Manticore
Episode 21 - Menace of the Manticore
Attack of the Headless Horror
Episode 22 - Attack of the Headless Ho...
A Haunting in Crystal Cove
Episode 23 - A Haunting in Crystal Cov...
Dead Justice
Episode 24 - Dead Justice
Pawn of Shadows
Episode 25 - Pawn of Shadows
All Fear the Freak
Episode 26 - All Fear the Freak