The official trailer and poster for "Kamen Rider Zeztz& Super Space Sheriff Gavan Infinity: Double Hero Summer Movie 2026," a double feature film combining the tokusatsu dramas "Kamen Rider Zeztz" and "Super Space Sheriff Gavan Infinity," were released on June 14th. The film will be released nationwide on July 24th.
The official titles for each film have been decided as "Kamen Rider Zeztz 's Farewell Mission" and "Super Space Sheriff Gavan Infinity: The Day the Sun Cried." It was also announced that the theme song for "Kamen Rider Zeztz 's Farewell Mission" will be "Dreams Never Sleep" by YUTA, who also sang the theme song for the TV series.
This trailer is composed of "Super Space Sheriff Gavan Infinity: The Day the Sun Cried" and "Kamen Rider Zeztz 's Farewell Mission," and the "Kamen Rider Zeztz 's Farewell Mission" segment includes tense scenes where Kamen Rider Zeztz/ Baku Yorozu(Ryutaro Imai Imai) confronts his most fearsome enemy, Kamen Rider Mugen/Kumon Soma. Kumon is played by Shunta Sono of the five-member vocal and dance group "M!LK."
