Number Ten Blues (Japanese: ナンバーテン・ブルース さらばサイゴン, Chinese: 第十藍調, Vietnamese: Đệ-thập lam-điệu) or Goodbye Saigon (Japanese: サヨナラ・サイゴン, Chinese: 告别西貢, Vietnamese: Giã-biệt Sài-gòn) is a 1975 Japanese 35mm fujicolor film directed by . This movie, shot between December 1974 and April 1975, remained unfinished and was considered lost for many years. It was finally completed and released in 2013.