Martin Mystery
Season 1, episode 19: Revenge of the Doppelganger. Playback is hosted by an external player.
Episodes
- Season 1, episode 1It Came from the Bog
- Season 1, episode 2Terror from the Sky
- Season 1, episode 3Shriek from Beyond
- Season 1, episode 4The Creeping Slime
- Season 1, episode 5Curse of the Deep
- Season 1, episode 6Nightmare of the Coven
- Season 1, episode 7Mark of the Shapeshifter
- Season 1, episode 8Mystery of the Vanishing
- Season 1, episode 9It Came from Inside the Box
- Season 1, episode 10Attack of the Sandman
- Season 1, episode 11Eternal Christmas
- Season 1, episode 12Return of the Dark Druid
- Season 1, episode 13They Lurk Beneath
- Season 1, episode 14Haunting of the Blackwater
- Season 1, episode 15Mystery of the Hole Creature
- Season 1, episode 16Fright from the Ice
- Season 1, episode 17Beast from Within
- Season 1, episode 18Curse of the Necklace
- Season 1, episode 19Revenge of the Doppelganger
- Season 1, episode 20The Return of the Beasts
- Season 1, episode 21Attack of the Mothman
- Season 1, episode 22Summer Camp Nightmare
- Season 1, episode 23The Sewer Thing
- Season 1, episode 24Scream from the Forest
- Season 1, episode 25The Amazon Vapor
- Season 1, episode 26The Awakening