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Scooby-Doo! Mystery Incorporated S1E11 — The Secret Serum
7.7
Scooby-Doo! Mystery Incorporated•Season 1•Episode 11

The Secret Serum

7.7/10 · 794 votesOct 11, 201022 min

Ranked #18 of 26 in Season 1•−0.2 vs season avg

Discussion

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

Previous episodeE10 · Howl of the Fright HoundNext episodeE12 · The Shrieking Madness
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Cast4

Frank Welker

Frank Welker

Scooby-Doo / Fred Jones (voice)

Grey DeLisle

Grey DeLisle

Daphne Blake (voice)

Mindy Cohn

Mindy Cohn

Velma Dinkley (voice)

Matthew Lillard

Matthew Lillard

Shaggy Rogers (voice)

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Episode Summary

"The Secret Serum" is episode 11 of Scooby-Doo! Mystery Incorporated season 1. It scored 7.7/10 from 794 votes, ranking #18 of 26 episodes this season (season average 7.9). It aired on October 11, 2010.

Next: E12 · The Shrieking MadnessBest of Season 1