Power Rangers Zeo is a television series and the fourth season of the Power Rangers franchise, based on the 19th Super Sentai series Chouriki Sentai Ohranger. It is the continuation of Mighty Morphin Power Rangers, which aired in 1996.

Chouriki Sentai Ohranger is a Japanese tokusatsu television series and the 19th installment in the long-running Super Sentai metaseries of superhero programs. It aired from March 3, 1995, to February 23, 1996, replacing Ninja Sentai Kakuranger and was replaced by Gekisou Sentai Carranger. It is the second ancient civilization–themed Super Sentai, preceded by Dai Sentai Goggle-V. Its footage was used in the American series Power Rangers Zeo.