The Gokaigers were captured by the Zangyack remnants after departing to the Zangyack homeworld to destroy the empire once and for all. The Gokaigers, now working for the newly reformed Zangyack empire, return to Earth with a black Gokai Galleon and attack the Go-Busters in search of five phantom Ranger Keys which will unlock the "Greatest Power in the Universe". During the fight with the Gokaigers, the Go-Busters are able capture Navi, who tells them that the Zangyack are also working with Vaglass and that they must go back in time to save the other members of the Super Sentai Teams and defeat the alliance of Zangyack and Vaglass.
鈴木勝大
as Hiromu Sakurada / Red Buster
小宮有紗
as Yoko Usami / Yellow Buster
馬場良馬
as Ryuji Iwasaki / Blue Buster
松本寛也
as Masato Jin / Beet Buster
小澤亮太
as Captain Marvelous / Gokai Red
清水一希
as Don Dogoier / Gokai Green
市道真央
as Luka Millfy / Gokai Yellow
小池唯
as Ahim de Famille / Gokai Pink
山田裕貴
as Joe Gibken / Gokai Blue
池田純矢
as Ikari Gai / Gokai Silver
藤原啓治
as Cheeda Nick (voice)
玄田哲章
as Gorisaki Banana (voice)