Episodio 1 - Episodio 1
3 de septiembre de 2017
• 24 minutos
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.
Episodio 2 - Episodio 2
10 de septiembre de 2017
• 24 minutos
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.
Episodio 3 - Episodio 3
17 de septiembre de 2017
• 24 minutos
Sento follows the clues regarding Nabeshima, the man responsible for framing Ryuga.
Episodio 4 - Episodio 4
24 de septiembre de 2017
• 24 minutos
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.
Episodio 5 - Episodio 5
1 de octubre de 2017
• 24 minutos
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.
Episodio 6 - Episodio 6
8 de octubre de 2017
• 24 minutos
Ryuga deceives Sento, and tries to find Faust's hideout by himself.
Episodio 7 - Episodio 7
15 de octubre de 2017
• 24 minutos
There is a possibility that true culprit who killed Katsuragi was Sento, but Sento have lost his memory. Ryuga feels a distrust for Sento.
Episodio 8 - Episodio 8
22 de octubre de 2017
• 24 minutos
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.
Episodio 9 - Episodio 9
29 de octubre de 2017
• 24 minutos
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.
Episodio 10 - Episodio 10
12 de noviembre de 2017
• 24 minutos
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.
Episodio 11 - Episodio 11
19 de noviembre de 2017
• 24 minutos
If Blood Stalk's identity is Katsuragi, Ryuga can prove his innocence. But Sento can't control Key-Dragon form's power.
Episodio 12 - Episodio 12
26 de noviembre de 2017
• 24 minutos
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.
Episodio 13 - Episodio 13
3 de diciembre de 2017
• 24 minutos
Sento gets a terrible shock, because he learns the identity of the wirepuller from Nabeshima who regained his memory.
Episodio 14 - Episodio 14
10 de diciembre de 2017
• 24 minutos
An expected person steals Pandora Box, Panels and Bottles from Sento.
Episodio 15 - Episodio 15
17 de diciembre de 2017
• 24 minutos
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.
Episodio 16 - Episodio 16
24 de diciembre de 2017
• 24 minutos
It's revealed the real facts of the case that Katsuragi was murdered.
Episodio 17 - Episodio 17
7 de enero de 2018
• 24 minutos
As the three countries start a war, both Sento and Ryuga must decide what to do next.
Episodio 18 - Episodio 18
14 de enero de 2018
• 24 minutos
Sento confronts Kazumi Sawatari, an assassin from Hokuto, wondering how the enemy got his hands on his latest invention.
Episodio 19 - Episodio 19
21 de enero de 2018
• 24 minutos
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.
Episodio 20 - Episodio 20
28 de enero de 2018
• 24 minutos
Soichi approaches Sento and gives him an item that can stop Ryuga's rampage, but using it involves a huge risk.
Episodio 21 - Episodio 21
4 de febrero de 2018
• 24 minutos
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.
Episodio 22 - Episodio 22
11 de febrero de 2018
• 24 minutos
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.
Episodio 23 - Episodio 23
18 de febrero de 2018
• 24 minutos
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.
Episodio 24 - Episodio 24
25 de febrero de 2018
• 24 minutos
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.
Episodio 25 - Episodio 25
4 de marzo de 2018
• 24 minutos
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.
Episodio 26 - Episodio 26
11 de marzo de 2018
• 24 minutos
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.
Episodio 27 - Episodio 27
18 de marzo de 2018
• 24 minutos
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.
Episodio 28 - Episodio 28
25 de marzo de 2018
• 24 minutos
Despite using his new powers, Sento is having a hard time against Gentoku, and Sawa reveals to the others the reasons for her betrayal.
Episodio 29 - Episodio 29
1 de abril de 2018
• 24 minutos
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.
Episodio 30 - Episodio 30
8 de abril de 2018
• 24 minutos
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.
Episodio 31 - Episodio 31
15 de abril de 2018
• 24 minutos
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.
Episodio 32 - Episodio 32
22 de abril de 2018
• 24 minutos
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.
Episodio 33 - Episodio 33
29 de abril de 2018
• 24 minutos
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.
Episodio 34 - Episodio 34
6 de mayo de 2018
• 24 minutos
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.
Episodio 35 - Episodio 35
13 de mayo de 2018
• 24 minutos
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.
Episodio 36 - Episodio 36
20 de mayo de 2018
• 24 minutos
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.
Episodio 37 - Episodio 37
27 de mayo de 2018
• 24 minutos
Evolto avoided his destruction by possessing Sento's body. Now unable to transform, Ryuga looks for a way to save his friend.
Episodio 38 - Episodio 38
3 de junio de 2018
• 24 minutos
Evolto reaches his full potential and seems unstoppable, while Sento recovers his memories as Katsuragi.
Episodio 39 - Episodio 39
10 de junio de 2018
• 24 minutos
To face the full power of Evolto and Utsumi, Sento combines the power of all Full Bottles to unleash his most powerful form.
Episodio 40 - Episodio 40
17 de junio de 2018
• 24 minutos
Surprised with the advent of Build's new form, Evolto decides to begin the last steps of his master plan.
Episodio 41 - Episodio 41
24 de junio de 2018
• 24 minutos
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.
Episodio 42 - Episodio 42
1 de julio de 2018
• 24 minutos
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.
Episodio 43 - Episodio 43
8 de julio de 2018
• 24 minutos
As Sento still tries to figure out his father's true motives, Misora is kidnapped by Evolto and transformed into a Smash.
Episodio 44 - Episodio 44
15 de julio de 2018
• 24 minutos
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.
Episodio 45 - Episodio 45
22 de julio de 2018
• 24 minutos
Evolto has been defeated, and Shinobu reveals to the Riders his true objective.
Episodio 46 - Episodio 46
29 de julio de 2018
• 24 minutos
With Evolto one step closer from reaching his objective, Sento and the others prepare themselves for the final battle.
Episodio 47 - Episodio 47
12 de agosto de 2018
• 24 minutos
Despite Sento's warnings, Kazumi uses the Blizzard Knuckle to attain a new, powerful form, knowing that he may not survive the transformation.
Episodio 48 - Episodio 48
19 de agosto de 2018
• 24 minutos
With no time to mourn for Kazumi's death, Sento, Ryuga and Gentoku brace themselves for the final battle against a full-powered Evolto.
Episodio 49 - Episodio 49
26 de agosto de 2018
• 24 minutos
After the sacrifice of his companions, it falls to Sento to protect the world by defeating Evolto once and for all.