1 Season
13 Episode
Unnatural History - Season 1 Episode 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.
- Year : 2010
- Country : Canada, United States of America
- Genre : Action & Adventure, Drama
- Studio : Cartoon Network
- Keyword : washington dc, usa, high school, artifact
- Director : Mike Werb
- Cast : Kevin G. Schmidt, Jordan Gavaris, Italia Ricci, Martin Donovan, Robbie Amell