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Season 1 Episode
- Season 1 These Two Are A Best Match
- Season 1 Innocent Runaway
- Season 1 Borderline of Justice
- Season 1 The Testimony Will Be Zero
- Season 1 Dangerous Identity
- Season 1 Moonsault of Anger
- Season 1 The Devil's Scientist
- Season 1 Memory Starts to Talk
- Season 1 The Trap of Project Build
- Season 1 Technology of Destruction
- Season 1 Burn, Dragon
- Season 1 Conspiracy Theory
- Season 1 Who Takes Off the Veil?
- Season 1 The False Kamen Rider
- Season 1 Judge Sento Kiryū!
- Season 1 The Weaponry Hero
- Season 1 The Outbreak of the Rider Wars
- Season 1 The Golden Soldier
- Season 1 The Forbidden Item
- Season 1 Devil's Trigger
- Season 1 The Unstoppable Hazard
- Season 1 Victory of Tears
- Season 1 The Phantom of the West
- Season 1 The Man Called Rogue
- Season 1 The Idol's Awakening
- Season 1 The Treacherous Deathmatch
- Season 1 The Counterattack Hero
- Season 1 The Genius Arrives With a Tank
- Season 1 The Opening Bell Rings
- Season 1 The Truth of the Pandora Box
- Season 1 Surge Out, Magma!
- Season 1 Programmed Tragedy
- Season 1 The Final Weapon: Evol
- Season 1 The Best Match is Dissolved
- Season 1 Tower of Destruction
- Season 1 Evolto Hunts Planets
- Season 1 The Ultimate Phase
- Season 1 Mad World
- Season 1 The Unstoppable Genius
- Season 1 The Final Revolution
- Season 1 The Truth of the Best Match
- Season 1 Legacy of Doubt
- Season 1 Another Build
- Season 1 The End of Evolto
- Season 1 The Scientist of Hope
- Season 1 An Oath to Be the One
- Season 1 Zero Degree Flames
- Season 1 To a World of Love & Peace
- Season 1 The Tomorrow Build Will Create
Kamen Rider Build - Season 1 Episode 20 Devil's Trigger
5.50 24 minutes Soichi approaches Sento and gives him an item that can stop Ryuga's rampage, but using it involves a huge risk.
