Isekai no Seikishi Monogatari , which was released in North America as Tenchi Muyo! War on Geminar is a Japanese OVA series. It is a spin-off of the Tenchi Muyo! series, which was created by Masaki Kajishima. Produced by AIC Spirits and BeSTACK, the series aired thirteen episodes on pay-per-view network Animax between March 20, 2009 and March 19, 2010.

Tenchi Muyo! GXP is a Japanese anime television series animated by AIC and broadcast on NTV from April 3, 2002 to September 25, 2002. It is the fourth installment of the Tenchi Muyo! line of series, succeeding Tenchi in Tokyo, localized in North America by Funimation. On November 11, 2012, it began airing on Adult Swim's revived Toonami programming block. An anime OVA project titled Tenchi Muyo! GXP Paradise Shidō-hen by AIC and Saber Project premiered in May 2023.