Kamen Rider Zi-O NEXT TIME: Geiz, Majesty is a movie that was produced and directed by Takehiko Inoue. It was released to DVD in Japan on October 14, 2020 and it stars Ken Takakura as Zeo, Leland Aquino as Zeo's son Tiger and Hiroshi Kamiya as Eli. This is the fourth movie in the series that takes place in the countryside and it is the first movie of the series that is not set in the city.
The story begins with Kamen Rider Zeo and his adventures with Geiz who have joined him in this adventure. They travel to the village of Gerikon and were shocked when the village turns into an area where there is no human life whatsoever. The only people who are alive there are animals.
On the verge of death, Kamen Rider Zeo's son Tiger goes to the evil doctor for the last time to save his father. The doctor believes that he can help Kamen Rider Tiger gets rid of his powers but instead, he makes Tiger sacrifice his last breath to have the spirit of his father sealed inside his. This makes Kamen Rider Zeo furious, so he decides to take back his village and so, he decided to destroy Gerikon. While the two are on their way to his spaceship, Eli and Tiger are attacked by a squadron of aliens and in the end, Zeo and Geiz defeat them.
In the aftermath of the battle, Zeo is later invited to stay in an old man's house to do some farming with Geiz. However, his daughter Ruby was taken away by the same man, who took her because of some reason. When Zeo was doing his job at the farm, a group of aliens came to Earth to conquer Earth.
Their leader, an alien space probe called Mertana calls them all into his base where he wants to make a certain someone pay for the loss of his daughter. However, before he can make his pay, he is confronted by Zeo who defeats him and takes Mertana captive. Meanwhile, Zeo and Geiz set a trap for Mertana and they use his minions as a way to get close to his spaceship and destroy it.
Mertana's escape pod lands on Earth and he meets with Let's army. During the battle, a civilian who wants to be rescued from the evil Mertana falls into the shuttle and is saved by Zeo, who then takes her to his ship.
After this, Zeo and Geiz go to rescue a princess and when they arrive, they find out that the girl is being held captive by Mertana's forces. When Zeo and Geiz come back to Earth, they are still unable to save Ruby but their efforts are rewarded when Eli and Tiger come to rescue her.
At this point, Zeo and Geiz go to finish off Mertana and while Zeo and Eli are doing that, Geiz was looking for Ruby and was about to attack him. However, Eli and his friends arrive and they are able to save Ruby before Zeo could do anything and they leave the two to fight. However, they are saved by the arrival of Kamen Rider Dreamer who arrives to take care of the two of them.