Kamen Rider Build
S1 · E21 — The Unstoppable Hazard
S1:E21 · The Unstoppable Hazard
49 episodes in this season
These Two Are A Best Match
24 min
Innocent Runaway
Borderline of Justice
The Testimony Will Be Zero
Dangerous Identity
Moonsault of Anger
The Devil's Scientist
Memory Starts to Talk
The Trap of Project Build
Technology of Destruction
Burn, Dragon
Conspiracy Theory
Who Takes Off the Veil?
The False Kamen Rider
Judge Sento Kiryū!
The Weaponry Hero
The Outbreak of the Rider Wars
The Golden Soldier
The Forbidden Item
Devil's Trigger
The Unstoppable Hazard
Victory of Tears
The Phantom of the West
The Man Called Rogue
The Idol's Awakening
The Treacherous Deathmatch
The Counterattack Hero
The Genius Arrives With a Tank
The Opening Bell Rings
The Truth of the Pandora Box
Surge Out, Magma!
Programmed Tragedy
The Final Weapon: Evol
The Best Match is Dissolved
Tower of Destruction
Evolto Hunts Planets
The Ultimate Phase
Mad World
The Unstoppable Genius
The Final Revolution
The Truth of the Best Match
Legacy of Doubt
Another Build
The End of Evolto
The Scientist of Hope
An Oath to Be the One
Zero Degree Flames
To a World of Love & Peace
The Tomorrow Build Will Create
