《假面骑士Zi-O》的派生剧PART.2。《假面骑士龙骑》的后日谈。 战斗吧！能够活到最后的只有一人！ 放送开始以来17年 城户、秋山、手冢、芝浦、浅仓、由良… 由原作角色+新角色 同为骑士的悲哀的大会战的大门，借由何人之手而开启。 再加上，期待已久的异类龙骑以及Zi-O、Geiz也登场！ 在现实的世界与镜世界展开的壮绝的喜剧请不要错过！！
RIDER TIME 假面骑士龙骑 (季节 1)
Advent Again (集 1)
播出日期: 2019-03-31
运行时间: 25 min
概述: A mysterious woman brings 13 people into the Mirror World to restart the Rider War. Among them are Shinji Kido, Ren Akiyama, Jun Shibaura, Goro Yura, Miyuki Tezuka and Takeshi Asakura. These 13 people (aside from Asakura) have no memories about their past. The woman tells them to fight each other, and the winner must be found on the 7th day. The winner will be released from the Mirror World with restored memories.
Another Alternative (集 2)
播出日期: 2019-04-07
运行时间: 25 min
概述: As Kamen Rider Ouja is about to strike a helpless Shinji, Kamen Rider Knight appears and blocks the attack. Ouja then joins the fight with Kamen Rider Gai and Kamen Rider Scissors, while Knight tells Shinji to run. However, the two are stopped by Kamen Rider Raia, who has already betrayed Shinji in the previous episode. Kimura flees from the chaotic battle. Kamen Rider Zolda uses his Final Vent, causing an enormous explosion, forcing the combatants to retreat.
Alive A Life (集 3)
播出日期: 2019-04-14
运行时间: 25 min
概述: After witnessing a sudden death at the hands of Dark Shinji, Kimura and Ren are shocked. Ryuga then attacks Kimura, wanting Kimura to die for him, saying that if he wins the Rider War, he can escape to the real world and exist as a real being.
