Scooby-Doo! Mystery Incorporated
Season 1, Episode 11: The Secret Serum
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There's a vampire loose in Crystal Cove, terrorizing the residents and stealing an odd assortment of loot. When the gang does some sniffing around, they discover an unlikely suspect… Daphne's MOTHER. Things are already strained within Mystery Inc., and with this latest blow, the gang is truly torn in half. Girls on one side, boys on the other.
All Episodes - Season 1
Episode 1
Beware the Beast from Below
Episode 2
The Creeping Creatures
Episode 3
Secret of the Ghost Rig
Episode 4
Revenge of the Man Crab
Episode 5
The Song of Mystery
Episode 6
The Legend of Alice May
Episode 7
In Fear of the Phantom
Episode 8
The Grasp of the Gnome
Episode 9
Battle of the Humungonauts
Episode 10
Howl of the Fright Hound
Episode 11
The Secret Serum
Episode 12
The Shrieking Madness
Episode 13
When the Cicada Calls
Episode 14
Mystery Solvers Club State Finals
Episode 15
The Wild Brood
Episode 16
Where Walks Aphrodite
Episode 17
Escape from Mystery Manor
Episode 18
The Dragon's Secret
Episode 19
Nightfright
Episode 20
The Siren's Song
Episode 21
Menace of the Manticore
Episode 22
Attack of the Headless Horror
Episode 23
A Haunting in Crystal Cove
Episode 24
Dead Justice
Episode 25
Pawn of Shadows
Episode 26
All Fear the Freak