Tenchi Muyo! is a Japanese anime, light novel and manga franchise. The original series began with a six-episode OVA called Tenchi Muyo! Ryo-Ohki . This original series was created by Masaki Kajishima and directed by Hiroki Hayashi, and it was released in Japan on September 25, 1992. The series was released by Pioneer LDC in the United Kingdom in 1994.