Series one of "Let's Learn Japanese" was made in 1984 and 1985. It was presented by Mary Althaus and featured a number of skits, featuring Mine-san (Yusuke Mine), Sugihara-san (Miki Sugihara), and Kaihô-san (Hiroyuki Kaihô), which were designed to help the viewer memorize, and practice the use of, new words and grammatical structures. The series also followed the story of Yan's new life in Japan working as an architect. Presented by Mary Althaus.