Season 1

• 

  7.9/1039 votes

  These Two Are A Best Match

  Season 1 Episode 1 - Aired 9/3/2017

  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.

  Director: Unknown

  Writer: Shogo Muto

• 

  7.9/1024 votes

  Innocent Runaway

  Season 1 Episode 2 - Aired 9/10/2017

  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.

  Director: Unknown

  Writer: Unknown

• 

  8.3/1024 votes

  Borderline of Justice

  Season 1 Episode 3 - Aired 9/17/2017

  Sento follows the clues regarding Nabeshima, the man responsible for framing Ryuga.

  Director: Unknown

  Writer: Unknown

• 

  8.5/1021 votes

  The Testimony Will Be Zero

  Season 1 Episode 4 - Aired 9/24/2017

  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.

  Director: Unknown

  Writer: Unknown

• 

  8.4/1020 votes

  Dangerous Identity

  Season 1 Episode 5 - Aired 10/1/2017

  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.

  Director: Unknown

  Writer: Unknown

• 

  8.8/1021 votes

  Moonsault of Anger

  Season 1 Episode 6 - Aired 10/8/2017

  Ryuga deceives Sento, and tries to find Faust's hideout by himself.

  Director: Unknown

  Writer: Unknown

• 

  8.8/1023 votes

  The Devil's Scientist

  Season 1 Episode 7 - Aired 10/15/2017

  There is a possibility that true culprit who killed Katsuragi was Sento, but Sento have lost his memory. Ryuga feels a distrust for Sento.

  Director: Unknown

  Writer: Unknown

• 

  8.6/1019 votes

  Memory Starts to Talk

  Season 1 Episode 8 - Aired 10/22/2017

  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.

  Director: Unknown

  Writer: Unknown

• 

  8.6/1018 votes

  The Trap of Project Build

  Season 1 Episode 9 - Aired 10/29/2017

  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.

  Director: Unknown

  Writer: Unknown

• 

  8.5/1016 votes

  Technology of Destruction

  Season 1 Episode 10 - Aired 11/12/2017

  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.

  Director: Unknown

  Writer: Unknown

• 

  9.4/1026 votes

  Burn, Dragon

  Season 1 Episode 11 - Aired 11/19/2017

  If Blood Stalk's identity is Katsuragi, Ryuga can prove his innocence. But Sento can't control Key-Dragon form's power.

  Director: Unknown

  Writer: Unknown

• 

  8.6/1018 votes

  Conspiracy Theory

  Season 1 Episode 12 - Aired 11/26/2017

  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.

  Director: Unknown

  Writer: Unknown

• 

  8.8/1020 votes

  Who Takes Off the Veil?

  Season 1 Episode 13 - Aired 12/3/2017

  Sento gets a terrible shock, because he learns the identity of the wirepuller from Nabeshima who regained his memory.

  Director: Unknown

  Writer: Unknown

• 

  9.1/1028 votes

  The False Kamen Rider

  Season 1 Episode 14 - Aired 12/10/2017

  An expected person steals Pandora Box, Panels and Bottles from Sento.

  Director: Unknown

  Writer: Unknown

• 

  8.6/1019 votes

  Judge Sento Kiryū!

  Season 1 Episode 15 - Aired 12/17/2017

  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.

  Director: Unknown

  Writer: Unknown

• 

  8.5/1017 votes

  The Weaponry Hero

  Season 1 Episode 16 - Aired 12/24/2017

  It's revealed the real facts of the case that Katsuragi was murdered.

  Director: Unknown

  Writer: Unknown

• 

  8.4/1018 votes

  The Outbreak of the Rider Wars

  Season 1 Episode 17 - Aired 1/7/2018

  As the three countries start a war, both Sento and Ryuga must decide what to do next.

  Director: Unknown

  Writer: Unknown

• 

  8.2/1013 votes

  The Golden Soldier

  Season 1 Episode 18 - Aired 1/14/2018

  Sento confronts Kazumi Sawatari, an assassin from Hokuto, wondering how the enemy got his hands on his latest invention.

  Director: Unknown

  Writer: Unknown

• 

  8.0/1014 votes

  The Forbidden Item

  Season 1 Episode 19 - Aired 1/21/2018

  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.

  Director: Unknown

  Writer: Unknown

• 

  8.1/1017 votes

  Devil's Trigger

  Season 1 Episode 20 - Aired 1/28/2018

  Soichi approaches Sento and gives him an item that can stop Ryuga's rampage, but using it involves a huge risk.

  Director: Unknown

  Writer: Unknown

• 

  9.4/1036 votes

  The Unstoppable Hazard

  Season 1 Episode 21 - Aired 2/4/2018

  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.

  Director: Unknown

  Writer: Unknown

• 

  8.9/1020 votes

  Victory of Tears

  Season 1 Episode 22 - Aired 2/11/2018

  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.

  Director: Unknown

  Writer: Unknown

• 

  8.5/1016 votes

  The Phantom of the West

  Season 1 Episode 23 - Aired 2/18/2018

  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.

  Director: Unknown

  Writer: Unknown

• 

  7.3/1015 votes

  The Man Called Rogue

  Season 1 Episode 24 - Aired 2/25/2018

  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.

  Director: Unknown

  Writer: Unknown

• 

  7.7/1015 votes

  The Idol's Awakening

  Season 1 Episode 25 - Aired 3/4/2018

  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.

  Director: Unknown

  Writer: Unknown

• 

  7.6/1015 votes

  The Treacherous Deathmatch

  Season 1 Episode 26 - Aired 3/11/2018

  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.

  Director: Unknown

  Writer: Unknown

• 

  8.7/1023 votes

  The Counterattack Hero

  Season 1 Episode 27 - Aired 3/18/2018

  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.

  Director: Unknown

  Writer: Unknown

• 

  9.0/1020 votes

  The Genius Arrives With a Tank

  Season 1 Episode 28 - Aired 3/25/2018

  Despite using his new powers, Sento is having a hard time against Gentoku, and Sawa reveals to the others the reasons for her betrayal.

  Director: Unknown

  Writer: Unknown

• 

  8.1/1015 votes

  The Opening Bell Rings

  Season 1 Episode 29 - Aired 4/1/2018

  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.

  Director: Unknown

  Writer: Unknown

• 

  7.6/1014 votes

  The Truth of the Pandora Box

  Season 1 Episode 30 - Aired 4/8/2018

  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.

  Director: Unknown

  Writer: Unknown

• 

  8.6/1017 votes

  Surge Out, Magma!

  Season 1 Episode 31 - Aired 4/15/2018

  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.

  Director: Unknown

  Writer: Unknown

• 

  7.1/1014 votes

  Programmed Tragedy

  Season 1 Episode 32 - Aired 4/22/2018

  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.

  Director: Unknown

  Writer: Unknown

• 

  7.5/1016 votes

  The Final Weapon: Evol

  Season 1 Episode 33 - Aired 4/29/2018

  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.

  Director: Unknown

  Writer: Unknown

• 

  8.4/1018 votes

  The Best Match is Dissolved

  Season 1 Episode 34 - Aired 5/6/2018

  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.

  Director: Unknown

  Writer: Unknown

• 

  8.1/1015 votes

  Tower of Destruction

  Season 1 Episode 35 - Aired 5/13/2018

  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.

  Director: Unknown

  Writer: Unknown

• 

  7.4/1014 votes

  Evolto Hunts Planets

  Season 1 Episode 36 - Aired 5/20/2018

  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.

  Director: Unknown

  Writer: Unknown

• 

  8.1/1015 votes

  The Ultimate Phase

  Season 1 Episode 37 - Aired 5/27/2018

  Evolto avoided his destruction by possessing Sento's body. Now unable to transform, Ryuga looks for a way to save his friend.

  Director: Unknown

  Writer: Unknown

• 

  8.2/1018 votes

  Mad World

  Season 1 Episode 38 - Aired 6/3/2018

  Evolto reaches his full potential and seems unstoppable, while Sento recovers his memories as Katsuragi.

  Director: Unknown

  Writer: Unknown

• 

  8.2/1016 votes

  The Unstoppable Genius

  Season 1 Episode 39 - Aired 6/10/2018

  To face the full power of Evolto and Utsumi, Sento combines the power of all Full Bottles to unleash his most powerful form.

  Director: Unknown

  Writer: Unknown

• 

  7.6/1014 votes

  The Final Revolution

  Season 1 Episode 40 - Aired 6/17/2018

  Surprised with the advent of Build's new form, Evolto decides to begin the last steps of his master plan.

  Director: Unknown

  Writer: Unknown

• 

  7.4/1014 votes

  The Truth of the Best Match

  Season 1 Episode 41 - Aired 6/24/2018

  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.

  Director: Unknown

  Writer: Unknown

• 

  6.9/1014 votes

  Legacy of Doubt

  Season 1 Episode 42 - Aired 7/1/2018

  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.

  Director: Unknown

  Writer: Unknown

• 

  7.1/1013 votes

  Another Build

  Season 1 Episode 43 - Aired 7/8/2018

  As Sento still tries to figure out his father's true motives, Misora is kidnapped by Evolto and transformed into a Smash.

  Director: Unknown

  Writer: Unknown

• 

  8.7/1017 votes

  The End of Evolto

  Season 1 Episode 44 - Aired 7/15/2018

  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.

  Director: Unknown

  Writer: Unknown

• 

  8.1/1014 votes

  The Scientist of Hope

  Season 1 Episode 45 - Aired 7/22/2018

  Evolto has been defeated, and Shinobu reveals to the Riders his true objective.

  Director: Unknown

  Writer: Unknown

• 

  7.6/1019 votes

  An Oath to Be the One

  Season 1 Episode 46 - Aired 7/29/2018

  With Evolto one step closer from reaching his objective, Sento and the others prepare themselves for the final battle.

  Director: Unknown

  Writer: Unknown

• 

  9.0/1027 votes

  Zero Degree Flames

  Season 1 Episode 47 - Aired 8/12/2018

  Despite Sento's warnings, Kazumi uses the Blizzard Knuckle to attain a new, powerful form, knowing that he may not survive the transformation.

  Director: Unknown

  Writer: Unknown

• 

  9.1/1025 votes

  To a World of Love & Peace

  Season 1 Episode 48 - Aired 8/19/2018

  With no time to mourn for Kazumi's death, Sento, Ryuga and Gentoku brace themselves for the final battle against a full-powered Evolto.

  Director: Unknown

  Writer: Shogo Muto

• 

  9.5/1039 votes

  The Tomorrow Build Will Create

  Season 1 Episode 49 - Aired 8/26/2018

  After the sacrifice of his companions, it falls to Sento to protect the world by defeating Evolto once and for all.

  Director: Unknown

  Writer: Shogo Muto