Nanako SOS is a tV series anime that premiered in spring 1983.

About the production: the story comes from a manga, there are 39 episodes of about 23 minutes and its current status is "finished".

Its main genres are comedy, with themes such as Female Protagonist.

On AniList, Nanako SOS has an average score of 64%, an average score, and appears on 1,101 users' lists.

Nana, is a young girl who unexpectedly acquires supernatural powers and at the same time loses her past memory. By accident, a scientific genius called Marlow, is present when she acquires her powers. Marlow is an industrious high school boy with extraordinary ambitions. He talks to Nana into joining his detective agency by promising to help her regain her memory. Nana innocently believes him, but Marlow's real intent is to use her powers to benefit his agency and himself. The story unfolds as Nana encounters a variety of dangerous missions and mysterious events, but her natural sunny disposition helps her through all the incidents as she solves each mystery one after the other. (Source: Wikipedia)

Official synopsis from AniList.