Where the anime ends, and where the books carry onAnime, manga, light novels and web novels, lined up by story arc

Arc Almanac

3 Oct 2026Draft. Not yet checked against the books.

All series / Haruhi Suzumiya / Arc 4

Arc 4 of 16 in Haruhi Suzumiya

Arc 4: Mysterique Sign

Arc name chosen by Arc Almanac, because the books don’t name it.

I’ve watched through

Seen by the end of 2006 original broadcast.

Seen by the end of 2009 expanded broadcast (28 episodes).

Seen by the end of The Disappearance of Haruhi Suzumiya.

What happens

The club investigates a disappearance connected to its website.

Where it sits

Arc 4 in Haruhi Suzumiya
FormatVolumesUnitsLanguage
Light novelVol 3Chapter 3Japanese
Light novelVol 3Chapter 3English
Anime2006 original broadcast, 2009 expanded broadcast (28 episodes)Season 1, episode 7–season 2, episode 9—

Draft. Not yet checked against the books. Report a wrong mapping.