Eight years after the battle for the Book of Omniscience, the peaceful lives of Touma, Rintaro, Mei and Kento are troubled by a mysterious new Falchion who can seemingly erase people from existence altogether!

Touma, Yuri and Mei somehow ended up in the World of Zenkaiger while four 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 teenage boy manga artist tie into this? And why are they sent into different stories filled with previous Kamen Riders and Super Sentai Teams?

Tamaki got disheartened when she was sent to the Percussion Division of her catholic Music School. There she overheard a Girl playing Wadaiko Drums. She was instantly captivated. So she decides to try playing them seriously.

1 hour special which aired in Japan in the Super Hero Time TV block, featuring a crossover between Kamen Rider Saber and Kikai Sentai Zenkaiger, four days before the premiere of Saber + Zenkaiger: Super Hero Senki. It featured two single episodes: "Kamen Rider Saber: Special Chapter: The World Pirate is Coming, Intersecting Worlds" and Kikai Sentai Zenkaiger, Episode 20.

A recorded version of the Kamen Rider Saber: Final Stage event that took place at the Nakano Sunplaza Hall in Tokyo from October 16-17, 2021. Taking place after the events of the series, the Kamen Riders who are protecting the world with their Sacred Swords gather again in a brand new adventure!

Ikki, Touma, and their allies fight against a Devil with ties to Shocker while attempting to help a Kamen Rider from the future reconcile with his now elderly son.

Setoka Tachibana is a female high school student who has confessed her feelings to other boys 12 times, but has been rebuffed each time. Her older brother Haruka Tachibana cares for his younger sister deeply, but he keeps secret from her that they are not blood related. One day, Setoka's first love Takane Serikawa appears after many years and approaches her.

Yū Akahane moves to a dormitory room after her father's transfer from work. She is excited that she will live in the same dorm as Takumi Shirakawa, aka "White Prince." Yet, Haruto Kurosaki, aka "Black Devil", kisses her as punishment for going against him. It is Yū Akahane's first kiss. Since then, she becomes obedient to Haruto Kurosaki.