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.

Ninja Sentai Kakuranger is a Japanese tokusatsu television series. It was Toei Company Limited's eighteenth production of the Super Sentai metaseries. It aired from February 18, 1994 to February 24, 1995, following its predecessor Gosei Sentai Dairanger and was replaced by Chouriki Sentai Ohranger. The name given to this series by Toei for international distribution is Ninja Rangers.