Build

E1. Best Match Guys

Sep 3, 2017 · 25m

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...

E2. The Innocent Runaway

Sep 10, 2017 · 25m

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.

E3. Borderline of Justice

Sep 17, 2017 · 25m

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...

E4. Evidence Becomes Zero

Sep 24, 2017 · 25m

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.

E5. Dangerous Identity

Oct 1, 2017 · 25m

Sento confronts Owner on his involvement with Faust. Sawa finds a lead on Sento's elusive past.

E6. Furious Moonsault

Oct 8, 2017 · 25m

Ryuga finds the entrance to Faust's hidden base. Aiming to learn more, Sento learns of the late Katsuragi's research into "Nebula Gas".

E7. The Demon Scientist

Oct 15, 2017 · 25m

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...

E8. Memory Starts Talking

Oct 22, 2017 · 25m

Now hidden in Hokuto, Sento and Ryuga try to learn more about Takumi Katsuragi from his mother, and find his hidden project data.

E9. Project Build's Trap

Oct 29, 2017 · 25m

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.

E10. Destructive Technology

Nov 12, 2017 · 25m

As the three Prime Ministers of Japan meet, Blood Stark leads an attack on the Touto Institute of Advanced Matter Physics.

E11. Burn Up, Dragon

Nov 19, 2017 · 25m

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.

E12. Conspiracy Theory

Nov 26, 2017 · 25m

Sawa reveals a connection between Faust, Nanba Heavy Industries, and the Touto Government. Sento and Ryuga plan to recover Pandora's Box.

E13. Who Will Remove the Veil?

Dec 3, 2017 · 25m

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...

E14. The Fake Kamen Rider

Dec 10, 2017 · 25m

Blood Stark's identity is revealed, and Sento races against time to finish a counter-measure against him.

E15. Judgment on Sento Kiryuu!

Dec 17, 2017 · 25m

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.

E16. Weapon Hero

Dec 24, 2017 · 25m

Gentoku reveals the truth behind Sento's missing memories, and the reality may tear his and Ryuga's friendship apart.

E17. Rider Wars Begin

Jan 7, 2018 · 25m

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.

E18. The Golden Soldier

Jan 14, 2018 · 25m

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.

E19. Forbidden Item

Jan 21, 2018 · 25m

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...

E20. The Devil's Trigger

Jan 28, 2018 · 25m

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.

E21. Unstoppable Hazard

Feb 4, 2018 · 25m

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?

E22. Tearful Victory

Feb 11, 2018 · 25m

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!

E23. Phantom of the West

Feb 18, 2018 · 25m

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.

E24. The Man Called Rogue

Feb 25, 2018 · 25m

Kamen Rider Rogue has revealed himself; Misora collapses inside the base.

E25. Idol Awakening

Mar 4, 2018 · 25m

Misora sends Kamen Rider Rogue flying through Skywall; Souichi reveals to Sento that there is a spy in the Touto government.

E26. Death Match of Betrayal

Mar 11, 2018 · 25m

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.

E27. Counterattacking Hero

Mar 18, 2018 · 25m

Ryuuga is tricked into losing his match; Build and Rogue face off as Sawa arrives with the schematics stolen from Sento.

E28. The Genius Shows Up in a Tank

Mar 25, 2018 · 25m

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.

E29. Bells Ring on Curtain's Rise

Apr 1, 2018 · 25m

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...

E30. The Truth of Pandora's Box

Apr 8, 2018 · 25m

Blood Stark wonders how the Queen of Mars is still alive. Mysteries begin to arise as she singles Ryuuga out to become hope.