Doraemon: Nobita in the Wan-Nyan Spacetime Odyssey is a 2004 Japanese animated science fiction disaster film, based on the 24th volume of the same name in the Doraemon Long Stories manga series. Directed by Tsutomu Shibayama, the film premiered in Japan on March 6th, 2004. It is the twenty fifth Doraemon feature film and served to celebrate both the 25th anniversary of the 1979 television series and the 25th anniversary of the feature film series. Partially based on the 1980 chapter "A Home for "Ruff", it was the final Doraemon film released in the 1979 series and to star the original voice cast.