Doraemons: The Puzzling Challenge Letter of the Mysterious Thief Dorapan
Дораэмоны: Таинственный вор Дорапан / Doraemons: The Puzzling Challenge Letter of the Mysterious Thief Dorapan (1997)
A 1997 Japanese short anime family film about The Doraemons. It was released on 8 March 1997 with Doraemon: Nobita and the Spiral City.