Unnatural History

  • Premiered: Jun 2010
  • Episodes: 13
  • Followers: 93
  • Ended
  • Cartoon Network
  • Tuesday at 20
  • Action Adventure Children Drama Fantasy History Mystery Science-fiction


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Season 1
Episode overview
Air date
Jun 13, 2010
Henry's parents decide that it's best for him to go to a high school after traveling the world. In his new school, he meets new friends and uncovers a huge secret.
The Griffin Gang
Episode overview
Air date
Jun 20, 2010
Henry must find a cure when an ancient virus is released.
Sleeper in a Box
Episode overview
Air date
Jun 27, 2010
Investigating a strange "stone," Henry and his friends discover that the object is actually the remains of the Soviet satellite Sputnik - that's wanted by Russian mobsters.
Heart of a Warrior
Episode overview
Air date
Jul 13, 2010
A traveling Samurai exhibit, rumored to be haunted, comes to the museum. When, Henry discovers that some of the exhibit items are being stolen, he is not believed by his uncle. Henry, .. show full overview
Fountain of Truth
Episode overview
Air date
Jul 20, 2010
Inside a trunk, Henry encounters artifacts, which guide him to a discovery by Ponce de Leon.
Public School Enemies
Episode overview
Air date
Jul 27, 2010
Henry stumbles upon a secret in the Dillinger car.
Liberian Candidate
Episode overview
Air date
Aug 03, 2010
Henry runs into an old friend and rival from the past. Henry believes that this friend's father may be targeted for assassination.
Curse of the Rolling Stone
Episode overview
Air date
Aug 10, 2010
When a ruby, which is supposed to be cursed, ends up stolen, Henry and his friends try to find the ruby and return it to the museum.
Now You See Me
Episode overview
Air date
Aug 17, 2010
After a teenage magician makes a Senator's son vanish, using an old magic trick of Houdini, the disappearance is investigated by Henry.
Maximum Insecurity
Episode overview
Air date
Aug 24, 2010
When a gang of thieves try to steal a WWII computer, Maggie, Jasper and Henry are cornered in the museum, unable to escape.
Thor's Slammer
Episode overview
Air date
Aug 31, 2010
Henry tries to clear his uncle's name by solving the murder of the former partner of Jasper's father and finding a Viking artifact that he was looking for.
Episode overview
Air date
Sep 14, 2010
The gang discovers an extinct beetle species.
1x13 Show finale
Past, Presidents and Future
Episode overview
Air date
Sep 21, 2010
Henry follows a clue trail left by George Washington as a school election pits Jasper vs. Maggie.

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