Martin Mystery
The Sewer Thing (S01E23)
A janitor at a research lab comes into contact with a hazardous substance, leading to his transformation into the Ratman.
S01E23
Show
Season 1 Episodes
S01E02 - Terror from the Sky
Martin Mystery
S01E03 - Shriek from Beyond
Martin Mystery
S01E04 - The Creeping Slime
Martin Mystery
S01E05 - Curse of the Deep
Martin Mystery
S01E06 - Nightmare of the Coven
Martin Mystery
S01E07 - Mark of the Shapeshifter
Martin Mystery
S01E08 - Mystery of the Vanishing
Martin Mystery
S01E09 - It Came from Inside the Box
Martin Mystery
S01E10 - Attack of the Sandman
Martin Mystery
S01E11 - Eternal Christmas
Martin Mystery
S01E12 - Return of the Dark Druid
Martin Mystery
S01E13 - They Lurk Beneath
Martin Mystery
S01E14 - Haunting of the Blackwater
Martin Mystery
S01E15 - Mystery of the Hole Creature
Martin Mystery
S01E16 - Fright from the Ice
Martin Mystery
S01E17 - Beast from Within
Martin Mystery
S01E18 - Curse of the Necklace
Martin Mystery
S01E19 - Revenge of the Doppelganger
Martin Mystery
S01E20 - The Return of the Beasts
Martin Mystery
S01E21 - Attack of the Mothman
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S01E22 - Summer Camp Nightmare
Martin Mystery
S01E23 - The Sewer Thing
Martin Mystery
S01E24 - Scream from the Forest
Martin Mystery
S01E25 - The Amazon Vapor
Martin Mystery