It is 300 years into the future. Earth's environment had been devastated by mankind's own foolish plans and humankind is beleaguered by the sentient forests which they have awoken. The world balance is tipped when a young boy named Agito stumbles across a machine that glowed in a strange blue hue inside a forbidden sanctuary.

When a powerful new foe known as the Legendorga arises in 2008, Wataru investigates the mystery behind the crisis, which brings him in contact with a man Nago once knew, Shiramine Takato, whose 3WA also possess their own Rider System. When Shiramine explains how everything began in 1986, Wataru uses Castle Doran’s Time Door to travel back in time, leading him to meet his father face-to-face at last. But has Wataru managed to change the future, or will the Legendorga still rise and enslave humanity?

The story is set in a village in the southern Japanese prefecture of Kōchi during World War II. Even in this remote mountainous area, the perception of American and British people as "brutes" has taken root, due to the deaths and injuries among the villagers' relatives. A elementary schoolgirl named Eiko transfers from the city of Yokohama to this village. Eiko happens to have blue eyes from her American father, and her classmates make no attempt to rein in their bullying. Other than Eiko's homeroom teacher Akiko, even the teachers view Eiko the same way that the children do. However, a boy named Kenta views Eiko more with curiosity than with hostility. The children's lives change as the injured father of one of Kenta's classmates returns from the battlefield and news of more casualties arrives in the village.

Guitarist Ko-chan is a mess of sexual repression after a childhood at the mercy of two elder sisters eager to use him as a guinea pig for their make-up skills. Bassist Gaku-chan keeps a bucket in the wings for whenever his nerves get the better of him, and drummer Momo-chan is doomed to forever carrying the botched childhood attempts at self-tattooing. It's not until this foursome is forced to look for an additional guitar player after Jin's dad burns his Stratocaster, that attitude and musical ability enter into the equation. Leather-clad, shade-wearing Tani (Tamaki), inseparable from his black Les Paul, is introduced as the king of R'n'R cool and Jinnai keeps him firmly seated on his throne throughout the film, retroactively proclaiming the guitarist, rather than himself, as the band's true hero.

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!

The legendary Space Sheriff Gavan is hired to capture the Kaizoku Sentai Gokaiger. However, Gavan himself is captured by Ashurada, a Zangyack prison chief and descendant of his old enemy Don Horror, and jailed in the worst prison in the universe. The Gokaigers resolve to rescue the sheriff from the prison and join forces with him to fight Ashurada.

The story begins when Geki Red battles Nunchaku Banki after returning from his trip around the world for Natsume's birthday, with Geki Yellow and Geki Blue arriving to provide backup. After sending the Gekirangers into another dimension, the Go-ongers arrive before the Savage Machine Beast departs after his quarry. After clearing a misunderstanding with Geki Violet and Geki Chopper, the two bring them to SCRTC to see Master Xia Fu, with Hant revealing he met Miki at one of his past jobs at the Kyoryuya Curry Shop.

The film features the remnant Ayakashi who seek to revive Dokoku Chimatsuri, but instead revive the Goseigers' nemesis Buredoran of the Comet as the Gedoushu Buredoran Chimatsuri. To make matters worse, Takeru Shiba has been brainwashed into serving Buredoran as Gedou Shinken Red.

Taking place in between Shinkenger Acts 22 and 23, the Shinkengers battle the newly revived Kusare Gedoushu Aburame Manpuku and his army for three days. The wounded and tired Shinkengers nearly lose, had the Kusare Gedoushu not needed to regain energy by soaking in the Sanzu River. As their wounds are treated, Jii reveals they he has found the Secret Disk used by the first Shinken Red to seal Manpuku at the Genryu Temple, which lies in the middle of Kusare Gedoushu territory.

The Space Empire Zangyack forms an alliance with the Black Cross King, the resurrected form of the Gorengers' enemy the Black Cross Führer, in order to invade Earth with other revived Super Sentai enemies. The Gokaigers, along with the Goseigers, who have lost their powers from the Legend War, must team up in order to fight against the new enemy.

The Gokaigers embark on a quest to find the ghost ship that harbors the legendary God Eye, which grants any wish to whoever wields it. During their adventure, they must face Los Dark, the captain of the ghost ship, and a host of revived enemies of the previous Super Sentai teams such as Agent Abrella and Baseball Mask.

In Kagoshima, in the final days of World War II, an offer of marriage comes to Etsuko Kamiya, who lives with her brother and his wife. The offer comes from Nagayo, but Etsuko is attracted to his friend, Akashi.

Tsukasa travels to his home world of the World of Decade, where he discovers the origin of his powers and his true heritage as the leader of Dai-Shocker. The film features all ten of the lead Heisei Kamen Riders, as well as all of the Shōwa period Kamen Riders, leading to a total of 25 Riders.

Under the impression that they saved the World of Den-O, Tsukasa Kadoya (Kamen Rider Decade) and company begin their journey to the World of Kabuto when they are halted by Sieg who presents them a manuscript that detailed the legendary Oni Conquest with Momotaros' image on it. As this occurred, the Tarōs mysteriously vanish from the DenLiner as they are about to help Kotaro Nogami (Kamen Rider New Den‑O) out with the true threat to their world.

With Kai’s defeat, Ryotaro and the rest of the DenLiner crew resume their time-traveling adventures by founding a detective agency to keep any other surviving Imagin in check. But when a rogue Imagin swipes Owner’s spare Den-O Pass, it’s up to the DenLiner Police and rookie detective Kazuya, along with a little help from another Rider, to stop the evil Imagin and save the past, present, and future!

When the Imagin and Kohana take a trip to visit Ryotaro and Airi, they are attacked by the legendary Ghost Train, and onboard are two Imagin and the evil Kamen Rider Yuuki, who is none other than Ryotaro! But when all hope seems lost, a blue DenLiner appears, delivering someone claiming to be Kamen Rider New Den-O! Just who is he, and can he help everyone save Ryotaro and save time once again?

Serving as the true ending to Kamen Rider Decade and revealing the origins of Kamen Rider W, this movie is split into three parts. In "Kamen Rider Decade: Final Chapter", Tsukasa Kadoya fully embraces his title as the Destroyer of Worlds. In "Kamen Rider W: Begins Night", Shotaro and Philip recount the night on when it all began. Elements of both parts converge in the movie's final part, "Movie War 2010" as our heroes fight the forces of Super Shocker.

Intercepting the transport carrying Foundation X’s new 2nd generation Gaia Memories, the special-ops unit NEVER, led by Daido Katsumi, intend to turn Fuuto into Hell on Earth. With Daido wielding the T2 Eternal Memory and a Lost Driver, granting him power in the form of Kamen Rider Eternal, Fuuto’s Kamen Riders are left powerless as Daido and his allies take control of Fuuto Tower, converting it into a massive laser weapon…

Confronting a mysterious enemy, the Pteranodon Yummy, Kamen Rider W receives aid from Ryu, who has infuriated Akiko by being too busy to attend her wedding! Akiko demands to know why he even became a Kamen Rider in the first place and the Pteranodon Yummy as it uses the Memory Memory on her to give her the answer to her question. Meanwhile, at the Kougami Foundation, Kousei Kougami talks of the most avaricious man in Japan, Oda Nobunaga, whose final resting place was found. With Doctor Maki overseeing the process, Kougami commissions the creation of a Cell Medal homunculus based on Nobunaga himself. Later, Kamen Rider Core begins to destroy the area as Kamen Riders OOO and W team up to fight the enemy. However, Kamen Rider Core proves too powerful and the two go underground to destroy the Gaia Memory’s source of power to even the odds.