is Toei Company's thirty-first entry in the Super Sentai metaseries. Production began on September 29, 2006, with principal photography beginning on October 6, 2006. It aired on TV Asahi's 2007 Super Hero Time programming block with Kamen Rider Den-O from February 18, 2007, to February 10, 2008, replacing GoGo Sentai Boukenger and was replaced by Engine Sentai Go-onger.
Its footage was used for the American television series, Power Rangers Jungle Fury. Gekiranger was subtitled into Korean as Power Rangers Wild Spirit for South Korean television.
Story 4000 years ago in ancient China, a form of Chinese styled kenpō martial art called was created by a man named Bruce Ee, who came to Japan and built the hidden village . Jūken is a martial art in which one mimics the abilities of animals as well as trying to attain spiritual peace. However, dissent grew among the creator's ten students; three of them believed that they should use the suffering and hatred harnessed within humans to increase their power, using their power to assume the monstrous Three Kenma. After Bruce Ee was murdered, the Kenma gathered followers to practice an evil form of the Jūken style known as Rin Jūken Akugata. The other seven students believed that true strength should come from within and engaged their former friends in a great war, ending the fight with a forbidden technique to seal the Kenma powers at the cost of losing their human forms in the process, becoming the Seven Kensei. Followers of the Kensei created the Geki Jūken Beast Arts school: the Jūken of justice whose sport discipline enhances the human body with the self-produced positive Qi called "Geki." It is taught by Grand Master Sha Fu, one of the Seven Kensei, using a sports goods company named as a front. Presently, a fallen student from the Geki Jūken school named Rio turned to the Rin Jūken style. He rebuilds the Rinjū Hall and brings the long-dead Rin Jūken users back to life as kyonshi to collect Rinki, Geki's polar opposite Qi, to resurrect the Three Kenma so that through them, he can become stronger. To fight the new Rinjū Hall, Sha Fu trained two youths: Ran Uzaki and Retsu Fukami. Along with Jan Kandou, a feral boy raised by tigers in the woods near Jūgenkyō, the Gekiranger team is formed and later joined by two other Geki Jūken users, Gou Fukami, Retsu's brother and master of the Geki Jū Wolf-Ken style, and Ken Hisatsu, a genius master of the Geki Jū Rhinoceros-Ken style, to save the world from the Akugata's ambitions. However, an even greater evil uses the two sides for its plan.
Characters Main Gekirangers: The eponymous students and associates of the Geki Jūken Beast Arts martial arts school. Each primary member utilizes a pair of bracers, which harness and amplify their Geki, to transform and store their weapons, such as the that allows them to destroy human-sized Beast-Men. With the exception of Ken, the entire team when facing off against giant-sized Beast-Men can use their Geki to manifest the auras of their fighting styles' totem animals into physical and combine them to form . After completing their Kageki training, the primary Gekirangers can use the to become where they gain eight jet engine-like vents on their suits, allowing them to channel their Kageki and perform various feats of speed and aerial maneuverability. : A feral child raised by tigers in the forest outside the who narrowly survived an attack by Long, who intended to kill him due to his lineage, and repressed the memories of the incident. As a result of his upbringing, Jan's speech is impeded. In the present, begins training Jan as the latter embodies the aspect of Geki Jūken, which allows him to withstand most forms of pain. Soon after, Jan joins the Gekirangers as and becomes a practitioner of the style. He later receives training from to master his Heart. In battle, he wields the sidearm and the twin dao, which can switch between their two-piece and their one-piece . : An employee of SCRTC from a high-class family who initially focuses heavily on her willpower and keeping Heart in the highest place of her training, to the point where she embodies the aspect of Geki Jūken as , and is a practitioner of the style. However, a combination of these and her inability to attend to small details leaves her Technique lacking until she receives training from . Ran is later appointed leader of the Gekirangers. In battle, she wields the twin sidearms, which can combine to access their bō-like mode, and the . : An intelligent yet solitary, selfish, and seemingly cold SCRTC employee who holds a grudge against Rio, who he believes killed his brother Gou when he was a child. In pursuit of seeking revenge, he set aside painting to study his brother's fighting style, but believes winning should be like a painting; complete and inspirational. Due to prioritizing Technique in his training, to the point where he embodies the aspect of Geki Jūken as , and being a practitioner of the style, Retsu's attention to beauty costs him stamina, leaving his Body at a disadvantage until he receives training from . In battle, he wields the Geki Tonfa and the , which can produce a second for dual wielding. : Retsu's overprotective older brother and a student in Jūken alongside Miki Masaki and Rio. Despite this, he initially lacks passion for justice and fights only for himself. This resulted in him developing and mastering a dangerous form of Geki called and reinventing the style into his personal . After their parents died, Gou forced Retsu to never practice Jūken before leaving to fight Rio using an imperfect form of a forbidden Geki Waza in an attempt to defeat and seal him. However, he was transformed into a feral werewolf and wandered the world for 15 years until he eventually regains his human form and reluctantly joins the Gekirangers as . Unlike the primary Gekirangers, Gou embodies the aspect of Geki Juken and utilizes the bracelet to transform due to his Shigeki being incompatible with the Geki Changers. : A free-spirited martial arts prodigy who trained at the Beast Origin Village and mastered one of the oldest fighting styles in the Beast Arts, the , to overcome the pain of losing his mother at a young age. He was originally meant to join Ran and Retsu as their third teammate, but left to travel abroad due to his Geki Changers being broken and his desire to not restrict himself to the Geki Jūken school. He eventually returns in the present to aid the Gekirangers in their battle against the Rin Jūken Akugata and Gen Jūken schools as the white-colored before returning to work at SCRTC Meisters once the aforementioned battle is over. Unlike the primary Gekirangers, Ken embodies the aspect of Geki Jūken and utilizes the sidearm, which can switch between its handgun-like and blade-like modes, to transform. In battle, either he or one of the Super Gekirangers can combine the SaiBlade and a Super Geki Claw to form the . : The leader of the Rin Jūken Akugata school and a practitioner of the style who seeks to gain strength so he can never suffer pain again. He initially joined the Geki Jūken school, trained under Master Xia Fu, and formed a close bond with Gou, but was dissatisfied with his progress and left to join the Akugata. During this time, he harnessed the power of Rinki to manifest an armored form called . Throughout the series, Rio forms a rivalry with Jan and cultivates Rinki from his fear, hatred, and jealousy before he is overthrown by and manifests Dorinki from his self-hatred. After receiving more power and killing Maku to regain his position, Rio falls under Long's influence and uses the Gen Jūken school's power to transform into , gaining mastery over the style. Eventually, he discovers Long's treachery and joins forces with the Gekirangers to defeat him, sacrificing himself in the process. : A cruel and malevolent practitioner of the style who possesses an extendable tongue. In battle, she dual wields a pair of sai. Having died in the Geki-Rin Rebellion, Rio used Rinki to revive Mele as a Rinrinshi and grant her a human form a decade prior to the series due to their similar objectives. As a result, she became highly devoted to him and developed an initially unrequited love for him. She aids Rio in his plans throughout the series, during which she becomes a Vermilion Bird/rooster-themed Genshou with mastery over the style while working with the Gen Jūken school, before discovering Long is manipulating Rio and joins the latter in helping the Gekirangers defeat him, sacrificing herself in the process.
Recurring : A fictional martial arts school that uses a form of Qi called as a source of power that manifests from the user's passion for justice and emphasizes the concepts of . The ultimate form of Geki is , which can manifest if the user has mastered the Heart-Technique-Body triangle and possesses a selfless desire to protect others. The sporting goods company serves as a front for the martial arts school, specifically its Gekirangers. : An assistant to Master Xia Fu, a student of the Geki Jūken Beast Arts, practitioner of the style, and the head of SCRTC's special development department who is responsible for designing most of the Gekirangers' weapons. Before training in Geki Jūken, Miki was an infamous sukeban in her youth and former leader of the Kanto Sukeban Alliance. : Legendary creators of the Geki Jūken style and students of . After three of their fellow students broke off to found the Rin Jūken Akugata as the Three Kenma and killed Bruce Ee, the Kensei battled them in what would later be called the . The Kensei used a forbidden Geki Waza to seal the Kenmas' bodies, but forcibly turned them into anthropomorphic versions of their fighting styles' totem animals. Following the battle, the Kensei swore a Jūken Oath of nonviolence, only using their skills in defense, established the Geki Jūken in the Beast Origin Village, and created the to prevent Akugata members from entering its sacred grounds. Following this, three of their members have become the after fully mastering one of the three major aspects of the Geki Jūken Beast Arts while one, Master Xia Fu, has mastered all three. : Jan's father, a practitioner of the Geki Jū Tiger-Ken capable of accessing white tiger-based Geki, star pupil of Master Xia Fu's, and senior master of Rio, Gou, and Miki who is also known as . When Rio left to join the Akugata, Dan attempted to save him, but was fatally wounded by Long, who used his Geki Soul to create Suugu. While Suugu initially serves Long loyally, Dan's soul would eventually awaken inside the Genshou and rescue his son, who kills him to release his soul. : A fictional martial arts school and the Geki Jūken Beast Arts' rival school based in the , a dojo located on the remote , with a natural selection-based philosophy, believing that only those strong enough can survive their harsh and inhuman training methods. Rin Jūken practitioners use a form of Qi called , which is powered by the user's darkness and is used to perform fighting techniques called , with the ultimate form of Rinki being , which manifests through infinite rage and a desire to destroy everything.