Nobuhiro Mouri

A battle royale is being held exclusively for the Armored Riders in Zawame City. Kamen Riders Gaim, Baron, Ryugen, Kurokage, and Gridon decide to enter the competition. While fighting, a crack opens in the sky and the Pitcher Plant Monster pour out from it. The monster soon returns to the crack, with the Riders giving chase. Soon, they find themselves in a Warring States Period-esque world where the Kamen Riders are called Bujin and are fighting each other. (Kamen Rider Wiki)

History was reset. Everyone was reborn into a carefree high school life. But something lingers... Geiz Myokouin is going to be a judo champion. But when an accident interrupts his dream, he has to rediscover why he was chasing it - before the servants of the demon king destroy him! White Woz wants him to become the savior he was in another life. Daiki Kaito wants to take back his greatest treasure. And Sougo and Tsukuyomi just want to support their friend! But what does Geiz want? (Ununnilium)

Touma, Yuri, and Mei somehow ended up in the World of Zenkaiger while the Zenkaigers, except Juran, ended up in the World of Saber. The reason for their swap is due to a man who wishes to rid the world of heroes. How does a male, teenage artist tie into this? And why are they sent into different stories with previous Kamen Riders and Super Sentai Teams?

Kamen Rider Revice, Saber, and their allies fight against a Kamen Rider from the future while attempting to help a time-displaced scientist reconcile with his now-elderly son.

Ryoma Sengoku continues his research of the Sengoku Drivers along with Takatora Kureshima. Meanwhile, Zack returns to Zawame City to set things right.

Brought on by the popularity of the series, this DVD Special features two half-hour side stories that take place during the events of the show. Both stories appear to take place just after episode 20, the first episode of the Helheim Saga. The Kamen Rider Zangetsu side story begins with Takatora telling Kota about the truth behind Helheim. While a childhood friend pays Takatora a visit, a mysterious Kamen Rider that has control over cracks begins to hunt down Yggdrasill’s forces.

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. Eiji Hino returns to Japan, believing he has, at last, found the means to revive the Greeed Ankh.

A time loop created by the Shocker resets whenever someone dies, but whenever the loop resets Shocker itself somehow grows stronger and stronger. The Riders must decide whether to keep on fighting a useless battle or end the loops for good by sacrificing one of their own.

When a mysterious boy named Frey steals Ghost and Specter’s Eyecons, they must call upon the powers of past Kamen Riders to defeat him.