The BEST Episodes of Unnatural History
Every episode ever - ranked by fan votes!
Last Updated: Dec 3, 2021
Network: Cartoon Network
This show follows Henry Griffin, a teenager with skills acquired through years of travelling the world with his anthropologist parents. He must now use those skills to move back to America and attend a public high school in Washington D.C. With the help of his cousin Jasper and his friend Maggie, Henry uses the skills he learned around the world to solve the modern mysteries of high school
#1 - Past, Presidents and Future
Season 1 - Episode 13 - Aired Sep 21, 2010
Henry follows a clue trail left by George Washington as a school election pits Jasper vs. Maggie.
#2 - Now You See Me
Season 1 - Episode 9 - Aired 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.
#3 - Thor's Slammer
Season 1 - Episode 11 - Aired 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.
#4 - Curse of the Rolling Stone
Season 1 - Episode 8 - Aired 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.
#5 - Speetlemania
Season 1 - Episode 12 - Aired Sep 14, 2010
The gang discovers an extinct beetle species.
#6 - Liberian Candidate
Season 1 - Episode 7 - Aired Aug 3, 2010
Henry runs into an old friend and rival from the past. Henry believes that this friend's father may be targeted for assassination.
#7 - Fountain of Truth
Season 1 - Episode 5 - Aired Jul 20, 2010
Inside a trunk, Henry encounters artifacts, which guide him to a discovery by Ponce de Leon.
#8 - Maximum Insecurity
Season 1 - Episode 10 - Aired 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.
#9 - Public School Enemies
Season 1 - Episode 6 - Aired Jul 27, 2010
Henry stumbles upon a secret in the Dillinger car.
#10 - Heart of a Warrior
Season 1 - Episode 4 - Aired 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, Maggie and Jasper therefore try to take matters into their own hands, shadowing a martial artist, who they suspect is the thief.
#11 - Pilot
Season 1 - Episode 1 - Aired 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.
#12 - The Griffin Gang
Season 1 - Episode 2 - Aired Jun 20, 2010
Henry must find a cure when an ancient virus is released.
#13 - Sleeper in a Box
Season 1 - Episode 3 - Aired 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.