Ryuta Tasaki
Director
Kamen Rider (1971)
Build
10 years after the Pandora's Box disaster divided Japan into three separate nations, unidentified lifeforms called 'SMASH' have appeared. To fight them, a prodigy physicist with no memory utilises the Full Bottles to transform himself. This man is Sento Kiryu, Kamen Rider Build.
Released April 3, 1971
Episode 25 min
7+
Genres: Action, Adventure, Drama, Science Fiction
Keywords: tmdb.martial-arts, tmdb.superhero, tmdb.motorcycle, imdb.based-on-comic-book, tmdb.cyborg, tmdb.secret-organization, tmdb.impostor + 162 more, tmdb.super-power, imdb.villain, imdb.punch, imdb.transformation, imdb.fight, imdb.monster, imdb.nazi, imdb.mutant, imdb.creature, imdb.evil, imdb.evil-organization, imdb.evil-monster, imdb.evil-man, imdb.werewolf, imdb.evil-entity, imdb.human-animal-hybrid, imdb.good-vs-evil, imdb.cult, imdb.superhuman, imdb.psychopath, imdb.supervillain, imdb.blood, imdb.sociopath, imdb.dark-hero, imdb.evil-cult, imdb.japanese-icon, imdb.iconic-superhero, imdb.cyclops, imdb.evil-doctor, imdb.mad-scientist, imdb.revenge, imdb.tragic-hero, imdb.evil-general, imdb.female-monster, imdb.mummy, imdb.army-of-monster, imdb.surrealism, imdb.surreal-horror, imdb.superhero-horror, imdb.conspiracy, imdb.nazi-monster, imdb.nazi-experiment, imdb.bad-guy, imdb.reference-to-adolf-hitler, imdb.kamen-rider, tmdb.monster, tmdb.tribe, tmdb.biker, tmdb.swordsman, tmdb.conspiracy, tmdb.based-on-manga, tmdb.masked-superhero, tmdb.mysterious-death, tmdb.superhero-teamup, tmdb.mysterious-disappearance, tmdb.death-of-hero, tmdb.henshin-heroes, tmdb.tokusatsu, mdblist.ext.4k-blu-ray, tmdb.artificial-intelligence-a-i, mdblist.has-trailer, tmdb.hero, tmdb.villain, tmdb.supervillain, tmdb.masked-supervillain, tmdb.evil-dad, tmdb.friends-to-enemies, imdb.cult-leader, imdb.terrorist, imdb.secret-nazi-organization, imdb.terrorist-organization, imdb.good-guy, imdb.mysterious-villain, imdb.nazi-scientist, imdb.grasshopper, imdb.lizardmen, imdb.multiple-villains, imdb.monster-slayer, imdb.multiple-monsters, imdb.nazi-cult, imdb.spider-monster, imdb.monster-bat, imdb.yeti, imdb.plant-monster, imdb.snow-monster, imdb.water-monster, imdb.male-monster, imdb.violence, imdb.humanoid, imdb.humanoid-monster, imdb.sadistic-villain, imdb.squid-monster, imdb.snake-monster, imdb.mutant-cyborg, imdb.cyborg-monster, imdb.masked-superhero, imdb.cyborg-supervillain, imdb.nazi-conspiracy, imdb.evil-colonel, imdb.nazi-colonel, imdb.evil-mutant, imdb.sidekick, imdb.hero, imdb.cyborg-sci-fi, imdb.cyberpunk-sci-fi, imdb.bee-monster, imdb.bug-monster, imdb.cyborg-hero, imdb.neo-nazi, imdb.superhero-action, imdb.superhero-fantasy, imdb.superhero-sci-fi, imdb.belt, imdb.masked-hero, imdb.flower-monster, imdb.human-dinosaur-hybrid, imdb.human-bug-hybrid, imdb.villainess, imdb.crab-monster, imdb.feline-humanoid, imdb.human-fish-hybrid, imdb.human-spider-hybrid, imdb.terrorism, imdb.terrorist-group, imdb.worm-monster, imdb.scorpion-monster, imdb.turtle-monster, imdb.human-snake-hybrid, imdb.human-hybrid, imdb.monster-of-the-week, imdb.human-bat-hybrid, imdb.masked-villain, imdb.amphibious-creature, imdb.body-modification, imdb.mutated-human, imdb.cybernetic-enhancement, imdb.genetically-engineered-monster, imdb.fish-monster, imdb.nazi-werewolf, imdb.hybrid-monster, imdb.henshin, imdb.scarf, imdb.red-scarf, imdb.human-experimentation, imdb.body-augmentation, imdb.mask, imdb.augmentation, imdb.insect-themed-superhero, imdb.physical-augmentation, imdb.experimentation, imdb.cyborg, imdb.tokusatsu, imdb.motorcycle, imdb.manga, imdb.biker, imdb.superhero, tmdb.memory-loss, imdb.darkness, imdb.cult-tv-series, imdb.human-turns-into-a-monster, imdb.henchman, imdb.kicking
Watch Providers: Amazon Prime Video, Tubi TV, The Roku Channel, Pluto TV, Shout! Factory TV + 4 more, Shout! Factory Amazon Channel, Amazon Prime Video Free with Ads, Crunchyroll Amazon Channel, Amazon Prime Video with Ads
Production Companies: tv asahi, Asatsu DK, Ishimori Productions, Toei Company, Ltd.
Network: tv asahi
7.5
S28E1 - Best Match Guys
Sento Kiryu starts his new job at the Touto Institute of Advanced Matter Physics, researching the mysterious Pandora's Box. While responding to a potential Smash sighting, Sento comes across a wanted fugitive...
Sept. 3, 2017, midnight
9.0
S28E2 - The Innocent Runaway
The Kamen Rider of Touto is now a fugitive, due to his part in saving a convicted murderer - Ryuga Banjo. Kiryu begins to see similarities in the mysterious experiments both he and Ryuga were subjected to.
Sept. 10, 2017, midnight
7.0
S28E3 - Borderline of Justice
The investigation into Ryuga's kidnapping leads to a man named Nabeshima. But to get the answers he needs, Ryuga must cross the border to Seito...
Sept. 17, 2017, midnight
9.0
S28E4 - Evidence Becomes Zero
The mysteries of the past continue to pile up as Sento investigates the Pandora's Box disaster. In Seito, Ryuga and Sawa continues the search for Nabeshima's family.
Sept. 24, 2017, midnight
7.0
S28E5 - Dangerous Identity
Sento confronts Owner on his involvement with Faust. Sawa finds a lead on Sento's elusive past.
Oct. 1, 2017, midnight
8.0
S28E6 - Furious Moonsault
Ryuga finds the entrance to Faust's hidden base. Aiming to learn more, Sento learns of the late Katsuragi's research into "Nebula Gas".
Oct. 8, 2017, midnight
S28E7 - The Demon Scientist
Sento and Ryuga need to learn more about Katsuragi and his research. Setting their sights on Hokuto, they first have to get through the Sky Wall...
Oct. 15, 2017, midnight
8.0
S28E8 - Memory Starts Talking
Now hidden in Hokuto, Sento and Ryuga try to learn more about Takumi Katsuragi from his mother, and find his hidden project data.
Oct. 22, 2017, midnight
9.0
S28E9 - Project Build's Trap
A debate about the nature of Katsuragi's research leads to another falling out between Sento and Ryuga. Under pressure from a backer, Faust hatches a plan to steal Pandora's Box.
Oct. 29, 2017, midnight
S28E10 - Destructive Technology
As the three Prime Ministers of Japan meet, Blood Stark leads an attack on the Touto Institute of Advanced Matter Physics.
Nov. 12, 2017, midnight
9.0
S28E11 - Burn Up, Dragon
With the majority of his Full Bottles now in Night Rogue's possession, Sento reveals his trump card - a way for Ryuga to use the Build Driver.
Nov. 19, 2017, midnight
S28E12 - Conspiracy Theory
Sawa reveals a connection between Faust, Nanba Heavy Industries, and the Touto Government. Sento and Ryuga plan to recover Pandora's Box.
Nov. 26, 2017, midnight
S28E13 - Who Will Remove the Veil?
A surprise call from Nabeshima lays the foundation for Sento's plan to reclaim Pandora's Box, and a chance to capture the elusive Blood Stark...
Dec. 3, 2017, midnight
S28E14 - The Fake Kamen Rider
Blood Stark's identity is revealed, and Sento races against time to finish a counter-measure against him.
Dec. 10, 2017, midnight
S28E15 - Judgment on Sento Kiryuu!
With Pandora's Box safely in their possession, Sento and Ryuga go after Gentoku, set on revealing the link between Touto's government and Faust to the public.
Dec. 17, 2017, midnight
S28E16 - Weapon Hero
Gentoku reveals the truth behind Sento's missing memories, and the reality may tear his and Ryuga's friendship apart.
Dec. 24, 2017, midnight
S28E17 - Rider Wars Begin
Hokuto invades Touto, looking to claim Pandora's Box for themselves. As civilian casualty numbers raise, Gentoku's government instigates Kamen Rider as their military weapon.
Jan. 7, 2018, midnight
S28E18 - The Golden Soldier
A new contender in the Rider Wars appears before Sento and Ryuga, somehow weilding his own Sclash Driver. Hokuto's own Rider, Grease, has arrived.
Jan. 14, 2018, midnight
S28E19 - Forbidden Item
Another clash between the Touto and Hokuto Riders ends with Ryuga struggling from the Sclash Driver's effects. The Hokuto Crows are given a way to power up by Blood Stark, but there's a cost...
Jan. 21, 2018, midnight
S28E20 - The Devil's Trigger
Soichi gives Sento the means the stop Ryuga's growing rage with the forbidden item - the Devil's Trigger. Gentoku plots a counter-attack against Hokuto's invaders.
Jan. 28, 2018, midnight
S28E21 - Unstoppable Hazard
In order to counter Ryuga's rampage as Cross-Z Charge, Sento is forced to use the Hazard Trigger. What is the cost of using this forbidden item?
Feb. 4, 2018, midnight
S28E22 - Tearful Victory
Touto and Hokuto's governments have ordered a winner-takes-all battle to decide who keeps Pandora's Box. It's Build vs Grease to decide the victor of the Rider War!
Feb. 11, 2018, midnight
S28E23 - Phantom of the West
Seito delivers an ultimatum to Kazumi - fight for them as their Kamen Rider or witness the death of his family. A mysterious new adversary makes his way to Touto to confront Sento and Ryuga.
Feb. 18, 2018, midnight
S28E24 - The Man Called Rogue
Kamen Rider Rogue has revealed himself; Misora collapses inside the base.
Feb. 25, 2018, midnight
S28E25 - Idol Awakening
Misora sends Kamen Rider Rogue flying through Skywall; Souichi reveals to Sento that there is a spy in the Touto government.
March 4, 2018, midnight
S28E26 - Death Match of Betrayal
Seito challenges Touto to a best-of-three battle to decide who keeps Pandora's Box; Sento works to find a counter to Black Hazard's berserk state.
March 11, 2018, midnight
S28E27 - Counterattacking Hero
Ryuuga is tricked into losing his match; Build and Rogue face off as Sawa arrives with the schematics stolen from Sento.
March 18, 2018, midnight
S28E28 - The Genius Shows Up in a Tank
Kamen Rider Rogue receives the data on Build's Rabbit Rabbit form, forcing Sento to unleash Tank Tank form; Sawa's backstory is revealed while Kazumi rescues civilians; Nanba decides to not play fair, taking control of Seito and declaring war.
March 25, 2018, midnight
S28E29 - Bells Ring on Curtain's Rise
Despite their promises, Seito continues their assault against Touto. All this is made worse as Blood Stark completes a panel of Pandora's Box, and the Skywall begins to shift...
April 1, 2018, midnight
S28E30 - The Truth of Pandora's Box
Blood Stark wonders how the Queen of Mars is still alive. Mysteries begin to arise as she singles Ryuuga out to become hope.
April 8, 2018, midnight
S28E31 - Overflow, Magma!
Sawa and Misora discuss what the story behind Ryuuga really is; Team Build raid Pandora's Tower in an attempt to reclaim Pandora's Box, but Blood Stark stays one step ahead, goading Ryuuga into action.
April 15, 2018, midnight
S28E32 - Programmed Tragedy
Ryuuga learns of his alien origins; Nanba takes Kazumi's friends hostage in exchange for Pandora's Box.
April 22, 2018, midnight
S28E33 - The Final Weapon, Evol
Souichi holds the Touto Prime Minister hostage in exchange for Sento to give him the Evol Driver.
April 29, 2018, midnight
S28E34 - The Separated Best Match
Sento is poisoned by Evolt, who then negotiates a deal with Ryuuga for the cure.
May 6, 2018, midnight
S28E35 - Tower of Destruction
Evolt is now in possession of Ryuuga's body and goes after Pandora's Box. Sento reaches out to Gentoku, who has the last of the bottles.
May 13, 2018, midnight
S28E36 - Evolt Hunts the Planet
Pandora's Tower is complete and Evolt stands ready to destroy Earth. Kazumi is still angry with Gentoku for killing his friend and challenges him to a fight; Sento works on a way to harness Pandora's Box into a power-up for Build.
May 20, 2018, midnight
S28E37 - The Ultimate Phase
In order to keep Evolt from getting Pandora's Box, Bernage moves the entire cafe to a different location; Ryuuga can no longer transform and so he and Kazumi go to Gentoku for help in saving Sento.
May 27, 2018, midnight
S28E38 - Mad World
Sento has now lost all his memories and reverted to Takumi Katsuragi; Evolt gives Utsumi and the rest of Nanba an ultimatum.
June 3, 2018, midnight
S28E39 - Unstoppable Genius
Utsumi has now taken on the role of Kamen Rider Mad Rogue; Takumi creates a new bottle to fight Evolt, but also plans to take out Ryuuga as well.
June 10, 2018, midnight
S28E40 - Final Revolution
Kazumi is bummed that Evolt has stolen the bottles of his lost friends. Sento travels to his mother's house in Hokuto for answers about his father, but he and Kazumi end up face to face with a new Smash.
June 17, 2018, midnight
S28E41 - The Truth of Best Match
Sento learns that his father actually is alive; Sawa goes to find the one Faust experiment that, to their knowledge, has no relation to the Kamen Riders; Misora discovers that the Best Matches are about her.
June 24, 2018, midnight
S28E42 - Suspicious Legacy
Sento suspects that since Evolt has the Lost Bottles, he also has his father; Evolt plans to reunite Japan while Gentoku mopes over his dead father.
July 1, 2018, midnight
S28E43 - Another Build
Sento's loyalties are questioned concerning his father; Misora makes a deal with Evolt.
July 8, 2018, midnight
S28E44 - The End of Evolt
Kazumi and Gentoku get caught in order to raise their hazard level; Sento builds Ryuuga a new power-up.
July 15, 2018, midnight
S28E45 - The Scientist of Hope
It turns out that Evolt is still alive, but Sento's father is able to tell him about a secret white panel in Pandora's Box.
July 22, 2018, midnight
S28E46 - Vow to Be the One
Evolt reveals himself to the world; Sento plans to combine their world with a parallel world via the white panel; Kazumi asks for a new power up.
July 29, 2018, midnight
S28E47 - Zero Degree Flames
Kazumi uses his new weapon to battle the clones of his former friends; Gentoku does battle with another set of clones and gets help from an unlikely ally.
Aug. 12, 2018, midnight
S28E48 - To a World of Love & Peace
With Kazumi now gone, it's time for the final confrontation with Evolt.
Aug. 19, 2018, midnight
S28E49 - A Future Built by Build
Ryuuga has flown away with Evolt. Sento decides to go bring him back as the two worlds are about to merge.
Aug. 26, 2018, midnight
Network: tv asahi
Episode Runtime: 25 min.
Season Runtime: 1475 min.
Released: April 3, 1971
Last Air Date: Jan. 4, 2026, midnight
Status: Returning Series
Certification: L / 7+
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