Kamen Rider OOO All Stars: The 21 Leading Actors and Core Medals

Leading an expedition in Germany, Kougami unseals the resting place of one of the alchemists that created the Core Medals in an effort to retrieve a set of lost Medals. However, upon the seal being undone, millions of Cell Medals erupt into a tower while creating a magical barrier that causes parts of Japan to flip over. As the alchemist reveals her plans to become a new OOO, Eiji and his friends are thrown into the past and must find their way back home and stop the alchemist before she destroys the world!

Eiji and Ankh team up with Kotarou and Momotaros as they travel back in time to 1971 aboard the Den-Liner to stop three Mole Imagin. But Ankh’s desire to obtain Core Medals while in the past sets off a chain of events that alters the 40-year history of the Kamen Riders by allowing Shocker to take over the world. It’s up to OOO and New Den-O to restore the timeline!

The year is 2021 and the world is in a state of chaos and fear. The ancient king OOO has come back to life after 800 years of dormancy. As the Kougami Foundation mounts a human resistance, Eiji Hino returns to Japan, believing he has at last found the means to revive the Greeed Ankh...

Touma Kamiyama is a novelist and the owner of the Fantastic Kamiyama Bookstore. Passionate about books, he can't stop talking about it once he gets started. He also has a heated side and values a promise above all else. He becomes Kamen Rider Saber, the flame swordsman, and joins the Sword of Logos after having a fateful encounter with the Sword of Flames, Rekka.

The "Desire Grand Prix" is a game to protect the peace of the city from the threat of the mysterious enemy "Jyamato", whose origin and purpose are unknown. Each participant transforms into a Kamen Rider and competes to win the game by defeating enemies and saving people. The winner of the Desire Grand Prix will be rewarded with "the right to bring an ideal world to life" as a prize. In other words, only the true heroes who win the competition will be able to realize the world they have wished for.

Houtaro is suddenly transported to a parallel world. Awaiting him is a young man named Houou Kaguya Quartz who summoned him using that world's technology, the Aurora Curtain System. His favorite phrase is "Gorgeous" and he protects the world from the clutches of the evil organization called "Hundred". What's more, the person following Kaguya is a butler named Butler, who looks exactly like Houtaro's friend Ryo Kajiki!

An amnesiac, happy go lucky youth named Shoichi Tsugami uses the power of Agito to unravel his mysterious past and battle beings known as Unknowns. In response to the Unknown threat, the police unleashed their newest weapon, the G3 powersuit primarily used by Makoto Hikawa. More mysteries unfold with the appearance of Ryo Ashihara, who transforms into a pre-Agito known as Gills. He seeks the truth about his father's suicide. These mysteries and others collide, as the true nature of Agito would ultimately determine the fate of humanity.

Shinnosuke Tomari is a former elite police officer in the Metropolitan Police who, after an event that traumatized one of his colleagues, has been "demoted" into the Special Investigations Division, a group that looks into the stranger happenings in the city, particularly the "Heavy Acceleration" events that leave people unable to move that the public have termed the "Slowdown." When he is chosen by the Drive Driver and Tridoron, Shinnosuke transforms into Kamen Rider Drive and is tasked with battling the Roidmudes who wish to take over the world by eliminating humanity.

Takeru Tenkuuji, the son of a ghost hunter, is murdered by the evil Ganma and resurrected by a mysterious hermit and bestowns upon him the Ghost Driver and a Ghost Eyecon, an orb-shaped device which can see ghostly creatures like spirits of dead creatures, Ganma, and other Riders. The hermit tells Takeru that he has 99 days to gather 15 additional heroic Eyecons to be brought back to life permanently, and must fight the Ganma as Kamen Rider Ghost to obtain them.

Sougo Tokiwa who always dreamed of becoming a king encounters a mysterious girl who came from the future and warns him that he would become the king of all time, Kamen Rider Zi-O, who destined to rule the world.

Nine universes of the previous Kamen Riders from the Heisei era are merging into one, something that would destroy all the worlds. To prevent this, Tsukasa Kadoya transforms into Kamen Rider Decade and is told that to protect his own world he must travel to all of the other Kamen Riders' worlds (Another Rider's worlds) and eliminate the anomalies in those worlds. Along the way, confronting the mysterious Narutaki and the thief Daiki Kaito, they are joined by Yusuke Onodera of the World of Kuuga and Kivala of the World of Kiva.

Baku Yorozu is an an ordinary young man living an uneventful life. But with the power of lucid dreaming, he turns into an unstoppable secret agent. In the dream world, there appears the Nightmare, a monstrous figure bent on bringing bad dreams into the real world. While the line between dream and reality breaks, Baku acquires a mysterious belt, transforming himself into Kamen Rider ZEZTZ! Make your dream come true. Good luck!

A beautiful-yet-awkward genius recruits three otaku to protect Akihabara. Powered only by their own delusions, and aiming to be acknowledged as a true Sentai team, they become the Unofficial Sentai, Akibaranger!

Eiji Hino is a wanderer who has no place to call home and a tragic past. When metallic creatures known as the Greeed awaken after their 800-year slumber to attack humans and feed off of their desires, the disembodied arm of the Greeed named Ankh gives Eiji a belt and three Medals to fight the other Greeed as Kamen Rider OOO. The mysterious Kougami Foundation approaches Eiji and begins assisting him in his fight against the Greeed, though their true motives are not clear. As Eiji fights the Greeed and their Yummy monsters, learning more about the Greeed and Ankh, he starts to find a purpose beyond his journey.

In the near future, the resurgence of ninjitsu in Japan sets the stage for the adventures of Rentaro Kagura, Kamen Rider Shinobi!

Granutes are intelligent lifeforms that operate secretly in the human world. They kidnap people for the sake of "Black Market Sweets." As people are attacked one after another by the Granutes, Shoma, a young man from another world, rises up to save the people. Together with the Gochizo, small monsters born from eating sweets, he transforms into Kamen Rider Gavv with a mouth-like belt!

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.

All across the universe, the Jark Matter empire has conquered everything they see. Meanwhile, the insurgent force called "Rebellion" is established and gathers nine ultimate saviors from across the galaxy who are chosen by the Kyu Globes, magical spheres with the power of the constellations.

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.