Ryotaro pursues the Molech Imagin to May 8, 2000 and becomes Kamen Rider Den-O to destroy the Imagin. Though it seemed the danger passed, it turned out that the Molech Imagin was under the employ of a rogue Kamen Rider named Gaoh who hijacks the DenLiner with his band of Imagin. After knocking Ryotaro out when he and Hana attempted to board the DenLiner while trapping all the Taros sae Ryutaros, Gaoh steals Owner’s Master Pass with the intent to travel back in time via “God’s Line” to Japan’s Edo Period to retrieve the legendary God’s Train, the GaohLiner. Trapped in 2000, with Ryotaro having lost all memory of Den-O, he and Hana encounter Ryotaro’s younger self, later called Kotaro by the group, and the Imagin Sieg that they aided earlier. Momotaros arrives after escaping the DenLiner, but he is only able to possess Kotaro while Sieg’s special talents allow him to still possess Ryotaro. Yuto shows up, taking everyone on the ZeroLiner to pursue Gaoh, with Kotaro joining them. Gaoh uses the DenLiner to damage the ZeroLiner before transforming into his Kamen Rider Form to send the gang into the Mesozoic Era before they are able to reach the Edo Period. While Yuto fixes the ZeroLiner, Ryotaro and Kyotaro talk, revealing that the event Ryotaro most regrets is losing the only remaining photograph of his parents, who died when he was young, because he cannot remember their faces without the photograph.

Di tahun 2016, dunia dipenuhi oleh makhluk-makhluk bernama Bugster lewat computer game virus yang tidak diketahui. Untuk menyelamatkan orang-orang yang terinfeksi, seorang gamer jenius bernama Emu memutuskan untuk melawan para Bugster! Dengan henshin belt Gamer Driver dan software game legendaris, Gashat, Emu akan berubah menjadi Kamen Rider Ex-Aid! Rider yang mengemban banyak genre game telah muncul! Game Start! Untuk menjadi master dalam banyak game dengan mengalahkan Bugster!

Emu akan memenuhi janjinya dengan Poppy untuk bermain DoReMiFaBeat dengannya, hanya untuk menemukan bahwa Gamedeus telah pulih dan berusaha untuk mengembalikan epidemi Bugster!

Cerita Setahun sesudah seriesnya

Unknown lifeform named Orephenoch attack humanity. 3 Heroes named Faiz, Kaixa and Delta fight against Orephenoch and save humanity.

Di masa depan Smart Brain nyaris mewujudkan ambisinya karena 90% populasi bumi telah dihuni oleh ras jenis baru bernama Orphnoch sedangkan ras manusia diambang kepunahan. Takumi Inui sang Kamen Rider Faiz yang diharapkan menjadi penyelamat umat manusiapun dinyatakan hilang setelah diserang Riotrooper, pasukan elit milik Smart Brain. Sejak kejadian itu Mari Sonoda, sahabat Takumi, membentuk kelompok pemberontak bersama dengan manusia lain yang masih tersisa. Mereka menyerang markas Smart Brain guna merebut “Emperor Belt”, sebuah proyek rahasia yang konon berupa rider gear baru yang sangat kuat. Sayangnya usaha mereka gagal.

SMA Amanogawa menjadi pusat keanehan terjadi, dan menjadi semakin aneh ketika seorang murid pindahan dengan gaya bad boy, Gentaro Kisaragi berupaya mendapat banyak teman dengan cara uniknya sendiri, bertemu kembali dengan teman masa kecilnya, Yuki Jojima, sembari mencoba berteman dengan si Penyendiri, Kengo Utahoshi. Ketika Sekolah menjadi gempar karena adanya Monster Penghancur bernama Zodiarts, Kengo dan Yuki berupaya untuk menggunakan alat aneh yang mereka temukan di Rabbit Hatch yang dapat mereka capai melalui Loker Sekolah. Akan Tetapi, Gentaro mencampuri rencana mereka, serta dikarenakan tubuh Kengo yang tidak dapat menghadapi situasi pertempuran, Gentari menggunakan alat tersebut untuk berubah menjadi Fourze. Setelah mempelajari tentang pahlawan yang disebut Kamen Rider, Gentaro membuat Kamen Rider Club yang beranggotakan Yuki, Kengo, Ratu Sekolah; Miu Kazashiro, Mantan Pacar Miu; Shun Daimonji, murid bergaya nyentrik; JK dan goth girl; Tomoko Nozama. Kemudian Ryusei Sakuta ikut bergabung, murid sementara yang juga Kamen Rider Meteor, dan guru mereka, Mr. Chuta Ohsugi. Kamen Rider Club mempelajari Horoscopes, sebuah kelompok Zodiarts tingkat lanjut yang telah mendalangi peristiwa di tanah sekolah untuk meningkatkan kekuatan mereka. Sepanjang peningkatan pertemuran, Horoscopes menyusun gerakan tahap akhir mereka dan menuju tahap Final, sebelum Kengo mengetahui keberadaan sejatinya.

A transaction meeting Gamou was to have with Foundation X goes awry when a mysterious woman named Inga Blink steals replica Horoscopes Switches for space warfare. Telling Hayami and Tatsugami not to pursue, Gamou tells them they will have the Kamen Rider Club deal with her. At Amanogawa High School, Mr. Ohsugi takes Gentaro, Yuki, Kengo, and Ryusei out of computer class and takes them to the Rabbit Hatch to meet up with the rest of Kamen Rider Club. There, they meet a strange lady named Shizuka Shirayama who is a member of OSTO Legacy and requests the Club’s assistance. Argeeing to help, the Kamen Rider Club members are taken into a bus and blindfolded for security reasons. But on the way, they are attacked by a robot named Black Knight. Transforming to hold the pursuing Black Knight at bay, Kamen Rider Fourze battles the attacker while Ryusei and the others find themselves boarded by Inga Blink who Ryusei fights while getting her out of the bus. However, Inga destroys the accompanying van to blocks the road while wounding Ryusei with a one-inch punch. When Fourze arrives, warning the Kamen Rider Club not to interfere, Inga summons Black Knight to take her away.

Dalam kota yang menjadi setting Kamen Rider Gaim, perusahaan Yggdrasil membuat kota tersebut menjadi kota yang terlihat seperti Jokamachi (castle town). Untuk mengobati rasa bosan akan kehidupan di kota tersebut, para pemuda di kota tersebut berkelompok untuk membuat dance group. Bahkan yang sedang populer saat ini, mereka menggunakan Lockseed yang berisi binatang yang disebut Invase yang menurut kabar berasal dari dimensi lain. Akan tetapi saat trend ini semakin populer. Tercipta sebuah retakan yang menjadi pintu masuk para monster untuk memasuki kota. Kota Sakuraba adalah orang yang memutuskan untuk berhenti menjadi dancer, dan bekerja layaknya pegawai biasa untuk membantu kakaknya, tiba2 saja dia terpilih untuk menggunakan Sengoku Driver dan menggunakan Lockseed yang istimewa untuk berubah menjadi Kamen Rider Gaim. Dan membasmi para monster yang bermunculan.

Gaim is taken into a new version of Zawame, where soccer teams aim to win the All Rider Cup. The reward: The Golden Fruit. Along with the City restored and the immense soccer popularity, he sees many things different from his world, such as Hase and especially Yuya still alive in this world. Though questioning why this is happening, there is a secret about the world. A strange man named Kougane starts sending locusts to other armored riders, consuming them, leaving their Lockseeds intact in order to revive his Golden Lockseed, which in turn transforms him into Armored Rider Mars. Along with a strange youth named Lapis who seems to be in relation of the new world, will the Beat Riders be able to stop him?

Takeru Tenkuji is a teen who aspires to be a Ghost Hunter just like his late father. On his eighteenth birthday, he is murdered by two monsters who are part of a race known as the Gamma. He is miraculously revived, however he must gather fifteen Ghost Eyecons based on fifteen historical figures within 99 days, otherwise he will permanently cease to exist. Along his quest, he battles more of the Gamma monster race, who also seek the Eyecons for an unknown evil purpose. Takeru must defeat the Gamma and at the same time, find a way to save himself in time.

After two years, the conflict between the Gamma World and the Human World is over, and Alain and Makoto were working hard alongside the others to return the world of Gamma to its true original world by turning the sky into a clean blue sky. However, the hardship of their work would be interfered when the imprisoned long time enemy of Adonis, Danton came to the Gamma world. Makoto is about to learn a horrible truth about himself and also Kanon, which gives him a great conflict path to save the Gamma World between him and Alain.