Kamen Rider Build: Transformation Lessons ~The Laws Of Transformation Are Set!~ is a web-exclusive series of Kamen Rider Build, which is released on Bandai JP's official YouTube channel, accompanying the airing of the main series' episode.
Episode 1
Sento Kiryu demonstrates how he transforms into Kamen Rider Build Rabbit/Tank Form and introduces his new Best Match: Build Gorilla/Mond Form.
Episode 2
Gentoku Himuro films a FausTube video in their secret lab base showing his viewers three things: his transformation into Night Rogue, the combination of the Transteam Gun and the Steam Blade: the Steam Rifle, and the Steam Rifle's finisher: Steam Shot with a Faust Bottle.
Episode 3
Ryuga Banjo demonstrates how to transform into Kamen Rider Cross-Z and use the Dragonic Finish. However, the simulation come to a close as Ryuga's trousers are unexpectedly ripped.
Episode 16
It's revealed the real facts of the case that Katsuragi was murdered.
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