That Which You Must Not Call


Yonde wa Naranu
Air Date February 16, 2009
Episode 20
Adapted From Chapter 18
Opening Song Ano Hi Time Machine
Ending Song Aishiteru
Episode Guide
Episode 19
Episode 21
List of Natsume Yuujinchou Episodes
Episode Gallery

That Which You Must Not Call is the twentieth episode of the Natsume Yuujinchou anime. It first aired on February 16, 2009. It is the seventh episode for Zoku Natsume Yuujinchou, which is the second season of the anime.


Natsume is dragged off into the cave of the evil spirit that is after Taki. He temporarily loses the ability to see youkai after being poisoned by the spirit.

Will he be able to stop the youkai from eating Taki without his sight?

Characters Appearance


1st Season Zoku Natsume Yuujinchou 3rd Season
Episode 14Episode 15Episode 16Episode 17Episode 18Episode 19Episode 20Episode 21Episode 22Episode 23Episode 24Episode 25Episode 26

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