Brought on by popularity for the series, this DVD Special feats. 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 Kamen Rider Baron side story begins with Kaito seeking out the Overlords for Professor Ryoma. A prince visits Zawame and when he finds out that Kaito looks exactly like him, he decides to forcefully switch lives, resulting in conflict.
as Kaito Kumon / Kamen Rider Baron, Shapool
as Takatora Kureshima / Kamen Rider Zangetsu
as Kouta Kazuraba / Kamen Rider Gaim
as Zack / Kamen Rider Knuckle
as Oren Pierre Alfonzo / Kamen Rider Bravo
as Alfred / Kamen Rider Tyrant
as Ryoma Sengoku / Kamen Rider Duke
as Yoko Minato / Kamen Rider Marika
as Touka Akatsuki / Kamen Rider Idunn
as Takatora Kureshima (child)
as Mitsuzane Kureshima
as Mitsuzane Kureshima (child)
as Lock Dealer Sid
as Amagi Kureshima
as Touka Akatsuki (teen)
as Mai Takatsukasa
as Peko
as Hideyasu Jonouchi
as Kaito's Father
as Kaito's Mother
as Kaito Kumon (child)
as Dancer
as Dancer
as Dancer