Episode 1
Pilot
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.
Where to watch Unnatural History
TV series
Unnatural History
2010TV-PG1 season6.3 / 10
Teenager Henry Griffin acquired many skills through years of travelling the world with his anthropologist parents. Sent to live with his uncle and cousin in Washington DC, and with the help of his cousin Jasper and friend Maggie, he must now use those skills to solve the modern mysteries of high school.
Availability
Not streaming in United States
Checked Jul 22, 2026
Unnatural History premiered June 13, 2010. We don't have a confirmed streaming, rental or purchase option yet.
Synopsis
Teenager Henry Griffin acquired many skills through years of travelling the world with his anthropologist parents. Sent to live with his uncle and cousin in Washington DC, and with the help of his cousin Jasper and friend Maggie, he must now use those skills to solve the modern mysteries of high school.
Season 1 episodes
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Episode 2
The Griffin Gang
Henry must find a cure when an ancient virus is released.
Where to watch Unnatural HistoryEpisode 3
Sleeper in a Box
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.
Where to watch Unnatural HistoryEpisode 4
Heart of a Warrior
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, Maggie and Jasper therefore try to take matters into their own hands, shadowing a martial artist, who they suspect is the thief.
Where to watch Unnatural HistoryEpisode 5
Fountain of Truth
Inside a trunk, Henry encounters artifacts, which guide him to a discovery by Ponce de Leon.
Where to watch Unnatural HistoryEpisode 6
Public School Enemies
Henry stumbles upon a secret in the Dillinger car.
Where to watch Unnatural HistoryEpisode 7
Liberian Candidate
Henry runs into an old friend and rival from the past. Henry believes that this friend's father may be targeted for assassination.
Where to watch Unnatural HistoryEpisode 8
Curse of the Rolling Stone
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.
Where to watch Unnatural HistoryEpisode 9
Now You See Me
After a teenage magician makes a Senator's son vanish, using an old magic trick of Houdini, the disappearance is investigated by Henry.
Where to watch Unnatural HistoryEpisode 10
Maximum Insecurity
When a gang of thieves try to steal a WWII computer, Maggie, Jasper and Henry are cornered in the museum, unable to escape.
Where to watch Unnatural HistoryEpisode 11
Thor's Slammer
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.
Where to watch Unnatural HistoryEpisode 13
Past, Presidents and Future
Henry follows a clue trail left by George Washington as a school election pits Jasper vs. Maggie.
Where to watch Unnatural HistoryEpisode information updated Jul 22, 2026
Available now in United States
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More about Unnatural History
Cast
Kevin G. SchmidtHenry Griffin
Jordan GavarisJasper Bartlett
Italia RicciMaggie Winnock
Martin DonovanMartin Donovan
Robbie AmellMichael O'Molley
Kyle MacLance Bellini
Martin RoachExecutor
Jeananne GoossenAgent FitzgeraldCredits
- Created by
- Mike Werb
- Written by
- Mike Werb, Michael Colleary, Thania St. John, Chris Easterly, Rob Wright, Marilyn Osborn, Jeff Eckerle, Mike Werb, Michael Colleary, Mike Werb, Marilyn Osborn, Jeff Eckerle
Production details
- Status
- Ended
- Series type
- Scripted
- Episodes
- 13
- Original language
- English
Networks & production
YTVCanada
Cartoon NetworkUnited States
Warner Horizon TelevisionUnited States
Cartoon Network StudiosUnited States
Themes
anthropologyartifacthigh schoolhistorymuseummysteryteenage protagonistwashington dc, usa