Now, shall we begin the experiment?
10 years ago when the Pandora Box was discovered on Mars and brought to Earth, it's activated and creates a Skywall which divides Japan into Touto, Seito, and Hokuto resulting into untold chaos. Along with creating a complex power dynamic between the three regions, the event brings waves of monsters called Smash down on the country, who terrorize and attack the citizens. Sento Kiryu, an amnesiac taken in by a mysterious cafe owner named Soichi Isurugi who provides him with a belt called the Build Driver that allows him to turn into Kamen Rider Build, which he uses to fight the Smash on his own.
These Two Are A Best Match (Episodio 1)
Guionista: Shogo Muto
Fecha de emisión: 2017-09-03
Duración: 24 min
Sinopsis: Unidentified creatures called Smash have appeared at Touto, Sento Kiryu turns into Kamen Rider Build to fight against them. One day, he saves a guy named Ryuga Banjo who escaped from a prison.
Innocent Runaway (Episodio 2)
Fecha de emisión: 2017-09-10
Duración: 24 min
Sinopsis: Because of helping Ryuga, the government chased Build as a wanted criminal. Sento guesses that he can obtain clues to the mysterious organization by finding true culprit who killed Katsuragi.
Borderline of Justice (Episodio 3)
Fecha de emisión: 2017-09-17
Duración: 24 min
Sinopsis: Sento follows the clues regarding Nabeshima, the man responsible for framing Ryuga.
The Testimony Will Be Zero (Episodio 4)
Fecha de emisión: 2017-09-24
Duración: 24 min
Sinopsis: After getting another of his memories back, Sento investigates the connection between Faust's experiments and the Pandora Box; Ryuga tracks down Nabeshima's family and stands up to protect them from the enemy.
Dangerous Identity (Episodio 5)
Fecha de emisión: 2017-10-01
Duración: 24 min
Sinopsis: While confronting Souichi about his connection with Faust, Sento is informed by Sawa about a hint regarding a person who may know his true identity.
Moonsault of Anger (Episodio 6)
Fecha de emisión: 2017-10-08
Duración: 24 min
Sinopsis: Ryuga deceives Sento, and tries to find Faust's hideout by himself.
The Devil's Scientist (Episodio 7)
Fecha de emisión: 2017-10-15
Duración: 24 min
Sinopsis: There is a possibility that true culprit who killed Katsuragi was Sento, but Sento have lost his memory. Ryuga feels a distrust for Sento.
Memory Starts to Talk (Episodio 8)
Fecha de emisión: 2017-10-22
Duración: 24 min
Sinopsis: Sento discovers that Katsuragi was the founder of Faust, and approaches his mother to learn more about Katsuragi's intentions, and obtain more clues regarding his lost memories.
The Trap of Project Build (Episodio 9)
Fecha de emisión: 2017-10-29
Duración: 24 min
Sinopsis: Sento and Ryuga discover that Katsuragi was involved in creating a Build Driver of his own, and his possible involvement with Sento widens the distrust between them.
Technology of Destruction (Episodio 10)
Fecha de emisión: 2017-11-12
Duración: 24 min
Sinopsis: Upon learning of Faust's plan to steal the Pandora Box, Sento and Ryuga set out to Touto Institute of Advanced Matter Physics to protect it.
Burn, Dragon (Episodio 11)
Fecha de emisión: 2017-11-19
Duración: 24 min
Sinopsis: If Blood Stalk's identity is Katsuragi, Ryuga can prove his innocence. But Sento can't control Key-Dragon form's power.
Conspiracy Theory (Episodio 12)
Fecha de emisión: 2017-11-26
Duración: 24 min
Sinopsis: After learning from Sawa about the connection between Faust and Nanba Heavy Industries, Sento and Ryuga confront them to retrieve the Pandora Box and their stolen Full Bottles.
Who Takes Off the Veil? (Episodio 13)
Fecha de emisión: 2017-12-03
Duración: 24 min
Sinopsis: Sento gets a terrible shock, because he learns the identity of the wirepuller from Nabeshima who regained his memory.
The False Kamen Rider (Episodio 14)
Fecha de emisión: 2017-12-10
Duración: 24 min
Sinopsis: An expected person steals Pandora Box, Panels and Bottles from Sento.
Judge Sento Kiryū! (Episodio 15)
Fecha de emisión: 2017-12-17
Duración: 24 min
Sinopsis: Sento and guys were driven into a situation where they had to hide Pandora Box in a old warehouse. They make a decision to uncover a government conspiracy.
The Weaponry Hero (Episodio 16)
Fecha de emisión: 2017-12-24
Duración: 24 min
Sinopsis: It's revealed the real facts of the case that Katsuragi was murdered.
The Outbreak of the Rider Wars (Episodio 17)
Fecha de emisión: 2018-01-07
Duración: 24 min
Sinopsis: As the three countries start a war, both Sento and Ryuga must decide what to do next.
The Golden Soldier (Episodio 18)
Fecha de emisión: 2018-01-14
Duración: 24 min
Sinopsis: Sento confronts Kazumi Sawatari, an assassin from Hokuto, wondering how the enemy got his hands on his latest invention.
The Forbidden Item (Episodio 19)
Fecha de emisión: 2018-01-21
Duración: 24 min
Sinopsis: With he and Ryuga unable to beat Kazumi and his men with their current strength, Sento searches the files left by Takumi to look for an alternative.
Devil's Trigger (Episodio 20)
Fecha de emisión: 2018-01-28
Duración: 24 min
Sinopsis: Soichi approaches Sento and gives him an item that can stop Ryuga's rampage, but using it involves a huge risk.
The Unstoppable Hazard (Episodio 21)
Fecha de emisión: 2018-02-04
Duración: 24 min
Sinopsis: Despite knowing the risks, Sento uses the Hazard Trigger to empower himself against Kazumi's three subordinates. After losing his consciousness and killing one of them, Sento is struck with guilt and refuses to keep fighting, until Soichi gives him an alternative.
Victory of Tears (Episodio 22)
Fecha de emisión: 2018-02-11
Duración: 24 min
Sinopsis: Sento and Kazumi have a duel to settle the war, but when the enemy proves himself too strong for him, Sento has no option but to use the Hazard Trigger again.
The Phantom of the West (Episodio 23)
Fecha de emisión: 2018-02-18
Duración: 24 min
Sinopsis: Taking advantage of the conflict, Seito invades and conquers Hokuto. Now bent on seizing all of Japan, the Seito forces invade Touto, led by the mysterious Kamen Rider Rogue.
The Man Called Rogue (Episodio 24)
Fecha de emisión: 2018-02-25
Duración: 24 min
Sinopsis: Gentoku reappears as Kamen Rider Rogue, determined to get revenge on Touto. To stop him, the other Kamen Riders decide to join forces, when Sento perceives something strange happening with Misora.
The Idol's Awakening (Episodio 25)
Fecha de emisión: 2018-03-04
Duración: 24 min
Sinopsis: Just as Gentoku is about to finish off Sento and the others, Misora appears before them, and the secret behind her mysterious powers is revealed.
The Treacherous Deathmatch (Episodio 26)
Fecha de emisión: 2018-03-11
Duración: 24 min
Sinopsis: Seito challenges Touto for another proxy battle to end the war once and for all. Sento and his friends make preparations to confront Gentoku and his subordinates, unaware that one among them is a traitor.
The Counterattack Hero (Episodio 27)
Fecha de emisión: 2018-03-18
Duración: 24 min
Sinopsis: The proxy battle to end the war is tied with one victory to each side, and for the decisive bout against Gentoku, Sento unleashes a new power.
The Genius Arrives With a Tank (Episodio 28)
Fecha de emisión: 2018-03-25
Duración: 24 min
Sinopsis: Despite using his new powers, Sento is having a hard time against Gentoku, and Sawa reveals to the others the reasons for her betrayal.
The Opening Bell Rings (Episodio 29)
Fecha de emisión: 2018-04-01
Duración: 24 min
Sinopsis: The war between the nations has ended, but Soichi and Namba finally reveal their true intentions as a new conflict begins when they open the Pandora Box.
The Truth of the Pandora Box (Episodio 30)
Fecha de emisión: 2018-04-08
Duración: 24 min
Sinopsis: Vernage, the Queen of Mars possesses the body of Misora to assist the Riders in retrieving the Pandora Box, revealing an important secret about Ryuga in the occasion.
Surge Out, Magma! (Episodio 31)
Fecha de emisión: 2018-04-15
Duración: 24 min
Sinopsis: As the Riders invade the Pandora Tower to retrieve the Pandora Box, a new power bursts from Ryuga, just as questions about his true identity are raised.
Programmed Tragedy (Episodio 32)
Fecha de emisión: 2018-04-22
Duración: 24 min
Sinopsis: Doubtful about his own origins, and eager to know the reason why he was framed in the first place, Ryuga confronts Blood Stalk demanding for answers.
The Final Weapon: Evol (Episodio 33)
Fecha de emisión: 2018-04-29
Duración: 24 min
Sinopsis: Touto's Prime Minister, Taizan Himuro is kidnapped, and Blood Stalk demands Sento to develop a new driver for him in exchange for his life.
The Best Match is Dissolved (Episodio 34)
Fecha de emisión: 2018-05-06
Duración: 24 min
Sinopsis: Having attained the power to transform into Kamen Rider Evol, Evolto infects Sento with a poison, threatening his life should he not relinquish the Fullbottles in his possession.
Tower of Destruction (Episodio 35)
Fecha de emisión: 2018-05-13
Duración: 24 min
Sinopsis: Evolto is close to attain all Fullbottles and the Pandora Box, and with Ryuga under the enemy's control, Sento turns to Gentoku for help.
Evolto Hunts Planets (Episodio 36)
Fecha de emisión: 2018-05-20
Duración: 24 min
Sinopsis: Having finally opened the Pandora Box, Evolto almost destroyed the world, should Vernage had not interfered. However, Sento has run out of options, and decides to risk it all in a move to defeat him.
The Ultimate Phase (Episodio 37)
Fecha de emisión: 2018-05-27
Duración: 24 min
Sinopsis: Evolto avoided his destruction by possessing Sento's body. Now unable to transform, Ryuga looks for a way to save his friend.
Mad World (Episodio 38)
Fecha de emisión: 2018-06-03
Duración: 24 min
Sinopsis: Evolto reaches his full potential and seems unstoppable, while Sento recovers his memories as Katsuragi.
The Unstoppable Genius (Episodio 39)
Fecha de emisión: 2018-06-10
Duración: 24 min
Sinopsis: To face the full power of Evolto and Utsumi, Sento combines the power of all Full Bottles to unleash his most powerful form.
The Final Revolution (Episodio 40)
Fecha de emisión: 2018-06-17
Duración: 24 min
Sinopsis: Surprised with the advent of Build's new form, Evolto decides to begin the last steps of his master plan.
The Truth of the Best Match (Episodio 41)
Fecha de emisión: 2018-06-24
Duración: 24 min
Sinopsis: Sento discover that his father is alive, and by searching the files he got from his mother, he learns why the Rabbit and Tank Full Bottles have a special meaning to him.
Legacy of Doubt (Episodio 42)
Fecha de emisión: 2018-07-01
Duración: 24 min
Sinopsis: With Sento confused with the fact that his father might be in league with Evolto, another person transformed into Kamen Rider Build appears before him.
Another Build (Episodio 43)
Fecha de emisión: 2018-07-08
Duración: 24 min
Sinopsis: As Sento still tries to figure out his father's true motives, Misora is kidnapped by Evolto and transformed into a Smash.
The End of Evolto (Episodio 44)
Fecha de emisión: 2018-07-15
Duración: 24 min
Sinopsis: Kazumi and Gentoku infiltrate Faust's headquarters in Hokuto, but Utsumi appears to face them. Meanwhile, Sento confronts his father, who reveals the true reason why he joined forces with Evolto.
The Scientist of Hope (Episodio 45)
Fecha de emisión: 2018-07-22
Duración: 24 min
Sinopsis: Evolto has been defeated, and Shinobu reveals to the Riders his true objective.
An Oath to Be the One (Episodio 46)
Fecha de emisión: 2018-07-29
Duración: 24 min
Sinopsis: With Evolto one step closer from reaching his objective, Sento and the others prepare themselves for the final battle.
Zero Degree Flames (Episodio 47)
Fecha de emisión: 2018-08-12
Duración: 24 min
Sinopsis: Despite Sento's warnings, Kazumi uses the Blizzard Knuckle to attain a new, powerful form, knowing that he may not survive the transformation.
To a World of Love & Peace (Episodio 48)
Guionista: Shogo Muto
Fecha de emisión: 2018-08-19
Duración: 24 min
Sinopsis: With no time to mourn for Kazumi's death, Sento, Ryuga and Gentoku brace themselves for the final battle against a full-powered Evolto.
The Tomorrow Build Will Create (Episodio 49)
Guionista: Shogo Muto
Fecha de emisión: 2018-08-26
Duración: 24 min
Sinopsis: After the sacrifice of his companions, it falls to Sento to protect the world by defeating Evolto once and for all.
