Build
49 episodes · Sep 3, 2017
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.
Season Videos
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S28E1Best Match Guys
Sep 3, 201725mSento 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...
S28E2The Innocent Runaway
Sep 10, 201725mThe 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.
S28E3Borderline of Justice
Sep 17, 201725mThe 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...
S28E4Evidence Becomes Zero
Sep 24, 201725mThe 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.
S28E5Dangerous Identity
Oct 1, 201725mSento confronts Owner on his involvement with Faust. Sawa finds a lead on Sento's elusive past.
S28E6Furious Moonsault
Oct 8, 201725mRyuga finds the entrance to Faust's hidden base. Aiming to learn more, Sento learns of the late Katsuragi's research into "Nebula Gas".
S28E7The Demon Scientist
Oct 15, 201725mSento 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...
S28E8Memory Starts Talking
Oct 22, 201725mNow hidden in Hokuto, Sento and Ryuga try to learn more about Takumi Katsuragi from his mother, and find his hidden project data.
S28E9Project Build's Trap
Oct 29, 201725mA 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.
S28E10Destructive Technology
Nov 12, 201725mAs the three Prime Ministers of Japan meet, Blood Stark leads an attack on the Touto Institute of Advanced Matter Physics.
S28E11Burn Up, Dragon
Nov 19, 201725mWith 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.
S28E12Conspiracy Theory
Nov 26, 201725mSawa reveals a connection between Faust, Nanba Heavy Industries, and the Touto Government. Sento and Ryuga plan to recover Pandora's Box.
S28E13Who Will Remove the Veil?
Dec 3, 201725mA 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...
S28E14The Fake Kamen Rider
Dec 10, 201725mBlood Stark's identity is revealed, and Sento races against time to finish a counter-measure against him.
S28E15Judgment on Sento Kiryuu!
Dec 17, 201725mWith 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.
S28E16Weapon Hero
Dec 24, 201725mGentoku reveals the truth behind Sento's missing memories, and the reality may tear his and Ryuga's friendship apart.
S28E17Rider Wars Begin
Jan 7, 201825mHokuto 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.
S28E18The Golden Soldier
Jan 14, 201825mA new contender in the Rider Wars appears before Sento and Ryuga, somehow weilding his own Sclash Driver. Hokuto's own Rider, Grease, has arrived.
S28E19Forbidden Item
Jan 21, 201825mAnother 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...
S28E20The Devil's Trigger
Jan 28, 201825mSoichi 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.
S28E21Unstoppable Hazard
Feb 4, 201825mIn 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?
S28E22Tearful Victory
Feb 11, 201825mTouto 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!
S28E23Phantom of the West
Feb 18, 201825mSeito 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.
S28E24The Man Called Rogue
Feb 25, 201825mKamen Rider Rogue has revealed himself; Misora collapses inside the base.
S28E25Idol Awakening
Mar 4, 201825mMisora sends Kamen Rider Rogue flying through Skywall; Souichi reveals to Sento that there is a spy in the Touto government.
S28E26Death Match of Betrayal
Mar 11, 201825mSeito 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.
S28E27Counterattacking Hero
Mar 18, 201825mRyuuga is tricked into losing his match; Build and Rogue face off as Sawa arrives with the schematics stolen from Sento.
S28E28The Genius Shows Up in a Tank
Mar 25, 201825mKamen 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.
S28E29Bells Ring on Curtain's Rise
Apr 1, 201825mDespite 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...
S28E30The Truth of Pandora's Box
Apr 8, 201825mBlood Stark wonders how the Queen of Mars is still alive. Mysteries begin to arise as she singles Ryuuga out to become hope.
S28E31Overflow, Magma!
Apr 15, 201825mSawa 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.
S28E32Programmed Tragedy
Apr 22, 201825mRyuuga learns of his alien origins; Nanba takes Kazumi's friends hostage in exchange for Pandora's Box.
S28E33The Final Weapon, Evol
Apr 29, 201825mSouichi holds the Touto Prime Minister hostage in exchange for Sento to give him the Evol Driver.
S28E34The Separated Best Match
May 6, 201825mSento is poisoned by Evolt, who then negotiates a deal with Ryuuga for the cure.
S28E35Tower of Destruction
May 13, 201825mEvolt 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.
S28E36Evolt Hunts the Planet
May 20, 201825mPandora'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.
S28E37The Ultimate Phase
May 27, 201825mIn 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.
S28E38Mad World
Jun 3, 201825mSento has now lost all his memories and reverted to Takumi Katsuragi; Evolt gives Utsumi and the rest of Nanba an ultimatum.
S28E39Unstoppable Genius
Jun 10, 201825mUtsumi 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.
S28E40Final Revolution
Jun 17, 201825mKazumi 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.
S28E41The Truth of Best Match
Jun 24, 201825mSento 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.
S28E42Suspicious Legacy
Jul 1, 201825mSento 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.
S28E43Another Build
Jul 8, 201825mSento's loyalties are questioned concerning his father; Misora makes a deal with Evolt.
S28E44The End of Evolt
Jul 15, 201825mKazumi and Gentoku get caught in order to raise their hazard level; Sento builds Ryuuga a new power-up.
S28E45The Scientist of Hope
Jul 22, 201825mIt 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.
S28E46Vow to Be the One
Jul 29, 201825mEvolt 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.
S28E47Zero Degree Flames
Aug 12, 201825mKazumi 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.
S28E48To a World of Love & Peace
Aug 19, 201825mWith Kazumi now gone, it's time for the final confrontation with Evolt.
S28E49A Future Built by Build
Aug 26, 201825mRyuuga has flown away with Evolt. Sento decides to go bring him back as the two worlds are about to merge.