Nanako SOS
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Anime DetailsFINISHED

Format
TV series
Episodes
39
Episode length
23 min
Total watch time
14 h 57 min
Status
Finished
Aired
April 2, 1983 – December 24, 1983
Season
Spring 1983
Source
Manga
Original creator
Hideo Azuma
Age rating
G — All Ages
Country
Japan
AniList score
64/100
Estimated watch time
14h 57m
⚡ 8 days at 5 eps/day

Tags & Tropes

Female Protagonist60%Super Power50%Kuudere20%
TVFINISHED1983 SPRING6.4 / 10 AniList score

Nanako SOS

ななこSOS
overview details

Synopsis

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)

Should you watch Nanako SOS?

Nanako SOS has been met with mixed reactions, with an average AniList score of 64/100 — 49% of 238 ratings are 8/10 or higher.

Of the 499 AniList users who started it, 14.0% dropped it, so it is dropped more often than most; 324 have finished it.

At about 14 h 57 min in total, plan on one to two weeks at a couple of episodes a day.

Best for viewers who enjoy Comedy — especially female protagonist.

Where to Watch Officially

A streaming link is not listed for this title yet.

Episodes

39 episodes are listed.

Main cast & voice actors

Creators & key staff

Original creator
Hideo Azuma

If you like Nanako SOS

Nanako SOS FAQ

How many episodes does Nanako SOS have?

Nanako SOS has 39 episodes of about 23 minutes each, roughly 14 h 57 min in total.

How long does it take to watch Nanako SOS?

About 14 h 57 min back to back. At two episodes a day it takes 20 days; at one hour a day, about 15 days.

Is Nanako SOS finished?

Yes. Nanako SOS has finished airing — the final episode aired December 24, 1983.

Is there a season 2 of Nanako SOS?

No sequel is listed for Nanako SOS as of October 2026. You can continue the story in the original manga.

Is Nanako SOS based on a manga?

Yes. Nanako SOS adapts the manga by Hideo Azuma.