Unstoppable Hazard

February 4, 2018

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Kamen Rider - S28 - E21

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?

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Kamen Rider: Season 28 - 49 Episode s

28x1 - Best Match Guys
September 3, 2017
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...
28x2 - The Innocent Runaway
September 10, 2017
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.
28x3 - Borderline of Justice
September 17, 2017
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...
28x4 - Evidence Becomes Zero
September 24, 2017
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.
28x5 - Dangerous Identity
October 1, 2017
Sento confronts Owner on his involvement with Faust. Sawa finds a lead on Sento's elusive past.
28x6 - Furious Moonsault
October 8, 2017
Ryuga finds the entrance to Faust's hidden base. Aiming to learn more, Sento learns of the late Katsuragi's research into "Nebula Gas".
28x7 - The Demon Scientist
October 15, 2017
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...
28x8 - Memory Starts Talking
October 22, 2017
Now hidden in Hokuto, Sento and Ryuga try to learn more about Takumi Katsuragi from his mother, and find his hidden project data.
28x9 - Project Build's Trap
October 29, 2017
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.
28x10 - Destructive Technology
November 12, 2017
As the three Prime Ministers of Japan meet, Blood Stark leads an attack on the Touto Institute of Advanced Matter Physics.
28x11 - Burn Up, Dragon
November 19, 2017
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.
28x12 - Conspiracy Theory
November 26, 2017
Sawa reveals a connection between Faust, Nanba Heavy Industries, and the Touto Government. Sento and Ryuga plan to recover Pandora's Box.
28x13 - Who Will Remove the Veil?
December 3, 2017
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...
28x14 - The Fake Kamen Rider
December 10, 2017
Blood Stark's identity is revealed, and Sento races against time to finish a counter-measure against him.
28x15 - Judgment on Sento Kiryuu!
December 17, 2017
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.
28x16 - Weapon Hero
December 24, 2017
Gentoku reveals the truth behind Sento's missing memories, and the reality may tear his and Ryuga's friendship apart.
28x17 - Rider Wars Begin
January 7, 2018
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.
28x18 - The Golden Soldier
January 14, 2018
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.
28x19 - Forbidden Item
January 21, 2018
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...
28x20 - The Devil's Trigger
January 28, 2018
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.
28x21 - Unstoppable Hazard
February 4, 2018
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?
28x22 - Tearful Victory
February 11, 2018
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!
28x23 - Phantom of the West
February 18, 2018
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.
28x24 - The Man Called Rogue
February 25, 2018
Kamen Rider Rogue has revealed himself; Misora collapses inside the base.
28x25 - Idol Awakening
March 4, 2018
Misora sends Kamen Rider Rogue flying through Skywall; Souichi reveals to Sento that there is a spy in the Touto government.
28x26 - Death Match of Betrayal
March 11, 2018
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.
28x27 - Counterattacking Hero
March 18, 2018
Ryuuga is tricked into losing his match; Build and Rogue face off as Sawa arrives with the schematics stolen from Sento.
28x28 - The Genius Shows Up in a Tank
March 25, 2018
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.
28x29 - Bells Ring on Curtain's Rise
April 1, 2018
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...
28x30 - The Truth of Pandora's Box
April 8, 2018
Blood Stark wonders how the Queen of Mars is still alive. Mysteries begin to arise as she singles Ryuuga out to become hope.
28x31 - Overflow, Magma!
April 15, 2018
Sawa 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.
28x32 - Programmed Tragedy
April 22, 2018
Ryuuga learns of his alien origins; Nanba takes Kazumi's friends hostage in exchange for Pandora's Box.
28x33 - The Final Weapon, Evol
April 29, 2018
Souichi holds the Touto Prime Minister hostage in exchange for Sento to give him the Evol Driver.
28x34 - The Separated Best Match
May 6, 2018
Sento is poisoned by Evolt, who then negotiates a deal with Ryuuga for the cure.
28x35 - Tower of Destruction
May 13, 2018
Evolt 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.
28x36 - Evolt Hunts the Planet
May 20, 2018
Pandora'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.
28x37 - The Ultimate Phase
May 27, 2018
In 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.
28x38 - Mad World
June 3, 2018
Sento has now lost all his memories and reverted to Takumi Katsuragi; Evolt gives Utsumi and the rest of Nanba an ultimatum.
28x39 - Unstoppable Genius
June 10, 2018
Utsumi 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.
28x40 - Final Revolution
June 17, 2018
Kazumi 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.
28x41 - The Truth of Best Match
June 24, 2018
Sento 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.
28x42 - Suspicious Legacy
July 1, 2018
Sento 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.
28x43 - Another Build
July 8, 2018
Sento's loyalties are questioned concerning his father; Misora makes a deal with Evolt.
28x44 - The End of Evolt
July 15, 2018
Kazumi and Gentoku get caught in order to raise their hazard level; Sento builds Ryuuga a new power-up.
28x45 - The Scientist of Hope
July 22, 2018
It 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.
28x46 - Vow to Be the One
July 29, 2018
Evolt 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.
28x47 - Zero Degree Flames
August 12, 2018
Kazumi 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.
28x48 - To a World of Love & Peace
August 19, 2018
With Kazumi now gone, it's time for the final confrontation with Evolt.
28x49 - A Future Built by Build
August 26, 2018
Ryuuga has flown away with Evolt. Sento decides to go bring him back as the two worlds are about to merge.

28x1 - Best Match Guys

28x2 - The Innocent Runaway

28x3 - Borderline of Justice

28x4 - Evidence Becomes Zero

28x5 - Dangerous Identity

28x6 - Furious Moonsault

28x7 - The Demon Scientist

28x8 - Memory Starts Talking

28x9 - Project Build's Trap

28x10 - Destructive Technology

28x11 - Burn Up, Dragon

28x12 - Conspiracy Theory

28x13 - Who Will Remove the Veil?

28x14 - The Fake Kamen Rider

28x15 - Judgment on Sento Kiryuu!

28x16 - Weapon Hero

28x17 - Rider Wars Begin

28x18 - The Golden Soldier

28x19 - Forbidden Item

28x20 - The Devil's Trigger

28x21 - Unstoppable Hazard

28x22 - Tearful Victory

28x23 - Phantom of the West

28x24 - The Man Called Rogue

28x25 - Idol Awakening

28x26 - Death Match of Betrayal

28x27 - Counterattacking Hero

28x28 - The Genius Shows Up in a Tank

28x29 - Bells Ring on Curtain's Rise

28x30 - The Truth of Pandora's Box

28x31 - Overflow, Magma!

28x32 - Programmed Tragedy

28x33 - The Final Weapon, Evol

28x34 - The Separated Best Match

28x35 - Tower of Destruction

28x36 - Evolt Hunts the Planet

28x37 - The Ultimate Phase

28x38 - Mad World

28x39 - Unstoppable Genius

28x40 - Final Revolution

28x41 - The Truth of Best Match

28x42 - Suspicious Legacy

28x43 - Another Build

28x44 - The End of Evolt

28x45 - The Scientist of Hope

28x46 - Vow to Be the One

28x47 - Zero Degree Flames

28x48 - To a World of Love & Peace

28x49 - A Future Built by Build

S0: Specials

S1: Kamen Rider

S2: V3

S3: X

S4: Amazon

S5: Stronger

S6: Skyrider

S7: Super-1

S8: Black

S9: Black RX

S10: Kuuga

S11: Agito

S12: Ryuki

S13: 555

S14: Blade

S15: Hibiki

S16: Kabuto

S17: Den-O

S18: Kiva

S19: Decade

S20: W

S21: OOO

S22: Fourze

S23: Wizard

S24: Gaim

S25: Drive

S26: Ghost

S27: Ex-Aid

S28: Build

S29: Zi-O

S30: Zero-One