OOO, Den-O, All Riders: Let's Go Kamen Riders (2011)
OOO, Den-O, All Riders: Let's Go Kamen Riders is a film released on April 1, 2011, to commemorate the 40th anniversary of the Kamen Rider Series. The catchphrase for the movie is "The world, these are Japan's heroes!!". While the film will feature all of the franchise's protagonists, the main heroes of the original Kamen Rider (1), Kamen Rider Den-O, and Kamen Rider OOO will be the main characters. The film's subtitle "Let's Go Kamen Riders" is an homage to the theme song of the original series, "Let's Go!! Rider Kick". The film also marks the 60th Anniversary of the Toei Company and to commemorate it, the film features characters from other works of Shotaro Ishinomori: Kikaider, Kikaider 01, Inazuman, and Zubat.
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