Super Sentai JAPAN 2006

Gougou Sentai Boukenger

(Rumbling Squadron Boukenger) Legendary treasures such as relics from early civilizations, sunken ships, unexplored regions, and fossils of animals around the world have been disappearing. The top-secret organization of Sargess that collects secret treasures have discovered a Relic called the "Precious" which has a great and dangerous power. Sargess has organized a team to defend it from those who wish to use the relic's power. There is many different groups such as the Gordom, Jaryuu and Dark Shadow.

source: supersentai.com