Happy Tree Friends is an adult animated television series that was broadcast from October 3, 2006 to December 25, 2006, on G4 in the United States. With a total of thirteen episodes that were aired, the show is based on the web series of the same name, created and developed by Aubrey Ankrum, Rhode Montijo, Kenn Navarro, and Warren Graff for Mondo Media. The series was animated by Canadian studio Fatkat, while the opening and end credits were produced by Ghostbot. In premises akin of children's shows, the series is a juxtaposition of cute cartoon anthropomorphic forest animals, who are suddenly subjected to extreme graphic violence. Each episode revolves around the characters enduring accidental or deliberately inflicted pain or mutilation.