Episódio 1 - Episódio 1
02 de setembro de 2017
• 30 minutos
Sento Kiryu demonstrates how he transforms into Kamen Rider Build Rabbit/Tank Form and introduces his new Best Match: Build Gorilla/Mond Form.
Episódio 2 - Episódio 2
10 de setembro de 2017
• 30 minutos
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.
Episódio 3 - Episódio 3
17 de setembro de 2017
• 30 minutos
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.
Episódio 16 - Episódio 16
24 de dezembro de 2017
It's revealed the real facts of the case that Katsuragi was murdered.