1970s. Due to its rarity and obscurity, it is nearly impossible to find info on this version of Doraemon. No episodes exist online or on home media, besides...

Saiminjutsu) "Sweet Rice Cake" (大福, Daifuku) "T-shirt" (Tシャツ, Tīshatsu) "Lottery" (宝くじ, Takarakuji) "Textbook" (教科書, Kyōkasho) "Promise" (約束, Yakusoku)...