Read more about Machine Beast Tamer Keris at: Wikipedia

Official Site: Toei Company

is a Japanese tokusatsu television series and the 19th installment in the long-running Super Sentai metaseries of superhero programs. 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 (the closing credits of Zeo referred to it as "O Rangers").

In May 2016, Shout! Factory announced that they would release "Chouriki Sentai Ohranger: The Complete Series" on DVD in North America in November 2016. Ohranger was released on DVD in North America on November 1, 2016. This is the fourth Super Sentai set to be released in North America. In addition on September 8, 2017, Shout! streamed the series on their website.

In the year 1999, the Machine Empire of Baranoia, led by Emperor Bacchushund, invades Earth with the intention of wiping out all human life and bringing about machine rule. Chief Counsellor Miura revives super energies that had been born of the lost civilization of Pangaea. Assembling pieces of a stone plate uncovered three years previously, he reveals the secrets of . Enlisting an elite five-man team of the United Airforce's finest pilots, Miura builds a pyramid to generate Tetrahedron power to allow five UAOH officers to transform into the Ohrangers and stop Baranoia's invasion.

The Ohrangers (オーレンジャー Ōrenjā) are a group of five soldiers from the UA who battle the Machine Empire Baranoia. They were originally normal humans until their body chemistry was slightly altered to utilize Chouriki, a form of energy used by an ancient civilization dating back to the time when all the continents were Pangaea. Their special team attack is the Chouriki Dynamite Attack (超力ダイナマイトアタック Chōriki Dainamaito Atakku), where the Ohrangers perform multiple mid-air flips and change into an energy ball that destroys Machine Beasts. Their surname bears the number of corners (or in Momo and Juri's case, a circle which has no corners and a = which is just two lines) of their visor's shape, except for Goro's whose surname reflects the shape of his visor (which is a star).

Machine Beast Tamer Keris has not been a contender in any CBUB matches.