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Martin Mystery
Season 1 · Episode 17
Beast from Within
0.030mMarch 2, 2004
A slug monster named Gastromo makes Martin, Java and M.O.M its hosts and Diana is the only one left who can save them.
Episodes
- Episode 1It Came from the Bog
- Episode 2Terror from the Sky
- Episode 3Shriek from Beyond
- Episode 4The Creeping Slime
- Episode 5Curse of the Deep
- Episode 6Nightmare of the Coven
- Episode 7Mark of the Shapeshifter
- Episode 8Mystery of the Vanishing
- Episode 9It Came from Inside the Box
- Episode 10Attack of the Sandman
- Episode 11Eternal Christmas
- Episode 12Return of the Dark Druid
- Episode 13They Lurk Beneath
- Episode 14Haunting of the Blackwater
- Episode 15Mystery of the Hole Creature
- Episode 16Fright from the Ice
- Episode 17Beast from Within
- Episode 18Curse of the Necklace
- Episode 19Revenge of the Doppelganger
- Episode 20The Return of the Beasts
- Episode 21Attack of the Mothman
- Episode 22Summer Camp Nightmare
- Episode 23The Sewer Thing
- Episode 24Scream from the Forest
- Episode 25The Amazon Vapor
- Episode 26The Awakening