The 26 season of Doraemon (1979) was broadcast on TV Asahi from vendredi 9 janvier 2004 to samedi 18 décembre 2004. It consists of 38 episodes, the first one is called "Vine Twist" and the last one "The Banner of Truth".
Doraemon is sent back in time by Nobita Nobi's great-great grandson Sewashi to improve Nobita's circumstances so that his descendants may enjoy a better future. In the original time-line, Nobita experienced nothing but misery and misfortune manifested in the form of poor marks and grades, physical disasters, and bullying throughout his life. This culminates in the burning down of a future business he set up which leaves his family line beset with financial problems. In order to alter history and better the Nobi family's fortunes, Sewashi sent him a robot called Doraemon.