The 40th film in the Doraemon movie series, which marks the 50th anniversary of the start of the serialization of Doraemon, is a completely original story about new twin dinosaurs. The film is directed by director Kazuaki Imai and screenwriter Genki Kawamura, the same duo that made Nobita's Treasure Island (2018) the biggest box office hit in the history of the series, earning 5.37 billion at the box office.