is the 30th series in Toei's Super Sentai series, a metaseries of Japanese tokusatsu programming and celebrated the franchise's 30th anniversary. It was the first installment to be produced and broadcast in the 16:9 aspect ratio. It aired from February 19, 2006, to February 11, 2007, and was replaced by Juken Sentai Gekiranger. Its footage was used in the American series, Power Rangers Operation Overdrive and was dubbed into Korean for the South Korean market, airing there as Power Rangers Treasure Force.

Plot summary Powerful relics known as the Precious appear throughout the world. Noticing these relics' power, various Negative Syndicates wish to take the Precious for themselves and use them for evil ends. To make sure that the Precious do not fall into the hands of the Negative Syndicates, the Search Guard Successor Foundation (SGS) has developed its own special operations team, the Boukengers, whose mission is to collect the Precious and thwart the Negative Syndicates.

Characters SGS

The collects artifacts known as with help from the eponymous Boukengers. They are led by , who serves as a liaison to the main SGS headquarters, and assisted by , who is the technical specialist of SGS and creator of the Boukengers' mecha.

Each primary member carries an cellphone as their transformation device along with a handgun, which can be reconfigured into the sword, and a multipurpose device, which can combine with a Survi-Buster to access the latter's , as their sidearms. Any one of them can also be equipped with the armor to wield the , which can switch between its and modes.

Satoru leads the team with a calm expression and a fire in his heart. He mostly battles Ryuuwon.

As the , , Satoru wields the , which can be reconfigured into the . His personal GoGo Vehicles are , , and .

Masumi is only part of the Boukengers to repay his debt to Satoru for saving his life. He has a personal vendetta against Dark Shadow member .

As the , , Masumi wields the . His personal GoGo Vehicles are , , and .

Souta serves as the team's information specialist. He mostly battles Dark Shadow member .

As the , , Souta wields the . His personal GoGo Vehicles are , , and .

Natsuki is the most childish of the group. Her main reason for adventuring is to discover more about her past. It is later revealed that she is the last survivor of the Lemurian civilization. Her parents named her .

As the , , Natsuki dual wields the twin . Her personal GoGo Vehicles are , , and .

Sakura is the most serious member when it comes to working. She often appears to be cold and emotionless, but cares for her teammates. As the , , Sakura wields the . Her personal GoGo Vehicles are , , and .

Eiji is spiritually the strongest member of the team because his father, the Ashu Watcher Karato, married an Ashu named Kei, thus making him half-Ashu. He mostly battles Gai (as either form) due to their bitter history. In GoGo Sentai Boukenger vs. Super Sentai, he embodies the Spirit of Hope.

As the , , Eiji utilizes the bracelet to transform. He also wields the sidearm, which can be reconfigured into either the or the latter's metal detector-like . His personal GoGo Vehicles are , , and .

Allies One of Satoru's ex-partners who went on an expedition with him years before. Portrayed by . One of Satoru's ex-partners who went on an expedition with him years before. Portrayed by . She had been seeking the treasures from The Tale of the Bamboo Cutter, crossing the Jaryuu Clan while getting her fourth treasure, the Dragon's Neck Orb. She could have been Princess Kaguya herself. An elder from the Water Metropolis who didn't want to see any more of his people perish in the search for the Aqua Crystal. Magi's apprentice. Once a "Water human", he intended to finish what his father started to restore the Water Metropolis. He sacrificed his humanity to survive without water by discarding the "Proof of Water" crystal on his tiara (which Ryuuwon crushed) and was transformed into a Wicked Dragon by Ryuuwon, who used him to find the Aqua Crystal. Ragi's Wicked Dragon form's design is based on Bakuryū Sentai Abarangers Bachycelonagurus. Eiji's father who was killed fighting Gai. The only female Ashu and Eiji's mother as a result of her and Karato's sharing of forbidden love. Souta's ex-partner from his times as a spy. Satoru's father and a legendary UMA hunter. Portrayed by . An archeologist known as the only known researcher of the most ancient civilization known, , as well as one of the only two men who can read Lemurian. Despises SGS for its "ambition", and treasure hunters because of the destruction of many ruins at their hands in search of Precious. Portrayed by . A last-in-everything who was accepted in the Adventurer School after he was mistaken for Satoru. In class, he was always a target of Shirubegami's Chalk Attack as he was always screwing up. A mysterious boy who was born from a giant peach Satoru and Eiji find in a river. The boy develops at an incredible speed growing in one day what a normal human would grow in 10 years. It is later revealed that he was sent by the mountain in which the Mountain-Crushing Kanabō was hidden to recover it. Although he is a coward, Taro still tries to take back the Precious. He eventually gathers courage from Satoru and Eiji to stand against the Questers. He is based upon the Japanese legend of Momotarō. A mysterious girl who claims to have been kissed and hugged by Souta and wants him to be with her. Souta does not remember her, but she insists that he was very kind to her. It is later revealed that she is actually a cat which by means of a piece of the Rainbow Cloth, transformed into a human to thank Souta for helping her fix her leg. Portrayed by . A young girl Satoru met and who claims to be Santa Claus. She is attacked by Gajah to obtain the Golem, a Precious capable of destroying a large city. However, it turns out that Eve irresponsibly gave the Golem in its doll form to a boy named Kiyoshi much to Satoru's annoyance while they were on a "date" to find Golem. but Gajah found it first, reviving Golem to attack the Boukengers with then enlarged itself. When the battle against the Golem seemed lost, Eve remembered the way to defeat it and revealed it to the Boukengers. She later thanks the Boukenger for helping her, promising another date with Satoru, and she flies away on her reindeer-drawn sleigh. Portrayed by . The embodiment of all the past red Sentai warriors who gives Eiji the Super Sentai Address Book to find older Sentai members to fight Chronos. Voiced by . Past Sentai Warriors They appeared in GoGo Boukenger vs. Super Sentai, much like the Dream Sentai in Hyakujuu Sentai Gaoranger vs. Super Sentai. Along with Eiji, they embody the "6 Sentai Spirits". A kunoichi and a member of the Ninpuu Sentai Hurricaneger who is currently a pop star. She embodies the Spirit of Friendship. A resident of Dino Earth and a member of the Bakuryū Sentai Abaranger who gave his team the power to fight the Evolien menace. He embodies the Spirit of Passion. A super-elite member of the Tokusou Sentai Dekaranger who learned the true meaning of justice from his "mentor" Banban "Ban" Akaza of the Earth-branch SPD, to whom Tetsu had himself assigned. He embodies the Spirit of Justice. The Ozu family's fourth child and a member of the Mahō Sentai Magiranger whose specialties are potions and the element of thunder. He embodies the Spirit of Courage. Tsubasa's brother-in-law who taught him and his siblings the true potential of magic, and also fought by their side while marrying Tsubasa's sister Urara. He embodies the Spirit of Love. Juken Sentai Gekiranger A group of martial artists with whom the Boukengers team up with in Juken Sentai Gekiranger vs. Boukenger.

Negative Syndicates Not much is known about the other than that they are individual organizations whose respective leaders, foot soldiers, and monsters try to steal the Precious and use them for evil deeds. Although there is some animosity between the member groups, they occasionally work together.

Gordom Civilization The is the first of the Negative Syndicates.

: The sole survivor of the Gordom Civilization. He intends to restore Gordom its former glory by retrieving the Precious lost to them over the thousands of years they spent in slumber. Gordom was the first and last Negative the Boukengers had to deal with. The are ash-colored stone beings are the foot soldiers for the Goodomu Civilization, summoned from stone. They wield torches that can change into sickles and have a noticeable healing factor, as Souta found out the hard way when he injured his hand punching one in the chest with full force. Fortunately, this healing factor cannot save them from those more powerful than they are. Both Dark Shadow and the Jyaryu Clan use Curse occasionally. The Curse's design is based on Chōriki Sentai Ohrangers Tackle Boy.

Jaryuu Clan The are the second of the Negative Syndicates who seek to destroy mankind and make the Earth more suited to their reptilian bodies.

: The leader of the Jaryuu Clan who was once human. Ryuuwon's design is based on Kyōryū Sentai Zyurangers Daizyujin. Ryuuwon returned in episode 21 of Kaizoku Sentai Gokaiger episode 21. are dragon-like warriors created by Ryuoon using his own blood and machinery. They wield swords and can summon hundreds of poisonous red lizards from their bodies. They are fewer in number when compared to the Curse, but more powerful. They are also capable of speech. The Jyaryu's design is based on Kyōryū Sentai Zyurangers Dragon Caesar.

Dark Shadow is a stealth assassin group descended from the ninja order called the . They are experts in espionage that work to obtain the Precious for the highest bidder. Dark Shadow has no footsoldiers of its own, but Yaiba and Shizuka do utilize the Curse on several occasions. After Yaiba's betrayal and Gajya's final attack, Dark Shadow halted its actions and left the country. About half a year later, Gekko and Shizuka resumed their thieving ways again, not succeeding thanks to the Boukengers and getting involved in the Pachacamac XII incident.

is the wise owl-like leader of Dark Shadow. He was originally the head of the Society of Shadow until he sacrificed himself to stop the , which appeared in the Hermit's Gorge centuries ago, bringing cataclysmic storm clouds in its wake. It was sealed by Gekko in exchange for his own body, fusing himself into the monster and sealing its power and soul in the Demon Bird's Magic Jewel, trapping himself in the monster's weakened body. He has the ability to create and enlarge Tsukumogami with sutras. He can also speak through the sutras as if they were hand radios. , nicknamed the "Paper Crane Ninja", is a ninja-like monster who believes that darkness is the superior force in existence. This armored warrior uses two ninja swords that can be combined into a double bladed naginata. Though he wears a facemask, it opens up to a terrifying monster-like face when he is about to kill, performing the "1000 Paper Crane Dark Blizzard" that summons a hail of deadly colorful origami cranes that repeatedly strike and slash the enemy. Yaiba used that attack to slay Masumi's abusive excavation group when Masumi himself was little, and since then a rivalry/grudge has grown between them. Yaiba also revealed to Masumi that he let him live that day because of the darkness in Masumi's heart when he used the excavation group as a shield. is a kunoichi who fights with a pair of kunai. She often refers to herself in third person, like Natsuki. Shizuka is very childish, rude, loudmouth and inept but also violent and deceiving and most of the time undergoes disguises to find any Precious, but the Boukengers can see through her disguises. She is the spokesperson of the Dark Shadow Company and often embarks in meetings to obtain Precious from clueless corporations, as well as selling them.

Questers