Kamen Rider Build: Birth! Bear Televi!! VS Kamen Rider Grease! is a Televi-Kun Hyper Battle DVD for Kamen Rider Build featuring the exclusive appearance of Build's Bear Televi Form. This special takes place between episodes 18 and 19. It reveals the origin of the Hokuto Three Crows' dog tags.
as Sento Kiryu / Kamen Rider Build
as Ryuga Banjo / Kamen Rider Cross-Z
as Kazumi Sawatari / Kamen Rider Grease
as Misora Isurugi
as Build Driver (voice)
as Massugu Ubukata / Ice Smash
as Soldier
as Televi-san
as Kimiyo Ubukata