Kamen Rider Amazon: The Movie

After witnessing a strange explosion, Shinnosuke Tomari is later visited by a young man claiming to be his son Eiji Tomari from the year 2035. Eiji warns Shinnosuke that a year from now, Mr. Belt's AI will go berserk and lead to the Roidmudes overtaking humanity. However, Shinnosuke cannot immediately deal with this new information when the evil Kamen Rider Dark Drive also comes from the future, causing enough mayhem that leads to Shinnosuke being framed for it and becoming the public's most wanted.

Arata Kagami seeks to get the Hyper Zecter just like Souji Tendou, so he tries to emulate Tendou. Once he realizes that he has to be himself, the Hyper Zecter appears and allows him to transform into Kamen Rider Gatack Hyper Form.

A Trial-series cyborg pretends to be Kenzaki (Kamen Rider Blade), who quickly discovers the fraud and fights him. During their battle, the other Riders bicker humorously about which Blade is the fake, which constantly results in their attacking the real Kenzaki. As with all Hyper Battle Videos, this serves to explain in detail the Rider's various powers and abilities.

Professor Daidōji has developed a gravity machine called the GX Device. Unfortunately, Shocker wants it; so they attack the professor and destroy his laboratory, but come home empty-handed. Shocker's agents find out that the plans for the GX Device are with Daidōji's daughter, who is celebrating her birthday. Now the Kamen Riders, along with FBI agent Kazuya Taki, must protect Daidōji's daughter and prevent Shocker from obtaining the plans.

This premium event featured appearances by the main cast of Kamen Rider Build, who conversed and share stories about the filming of the show that fans were not able to hear elsewhere. The event also included a stage show with an original Kamen Rider Build story created just for the event, complete with lights, sounds, and special effects. The event was be held on Friday, May 4, 2018, and Saturday, May 5, 2018, at the Grand Prince Hotel New Takanawa.