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Season guide

Natsume's Book of Friends: Season 4

13 episodes Premiered Jan 3, 2012
Previously on Natsume's Book of Friends

Season 4 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • Directly follows the overarching narrative developments of Natsume's Book of Friends Season 3.
  • Faction dynamics and core character alliances shift under escalating external stakes.
  • Crucial mysteries introduced previously reach key turning points and narrative reckonings.
  • Sets up serialized story arcs that build directly toward the climactic season finale.
Season 4 Episodes

Episode Guide

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Season 4 Progress Shield

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Binge Efficiency Engine

Season 4: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

31%
69%
Mytharc (4): Crucial lore & season climaxes
Core (9): Character development & subplots
Side Quest (0): Standalone / filler
S4·E1 Mytharc

Natsume Captured

Jan 3, 2012

Natsume is jumped by a group of Youkai trying to steal the Book of Friends for their master. Once captured, Natsume discovers that an old problem is back in a big way.

S4·E2 Core

The Eastern Forest

Jan 10, 2012

Natsume, now trapped in the mansion, is trying to keep the Monkey Mask youkai from revealing the Book of Friends to Matoba. While Hinoe and Misuzu attempt to find the strange youka

S4·E3 Core

The Little Ones

Jan 17, 2012

After Natsume returned Amana's name, she accused him of stealing her ring. He has three days to find and return it before she burns down his house. To make matters worse, the ring

S4·E4 Core

Stand-In

Jan 24, 2012

Natsume is at home early one evening when he hears a knock on the door. He sees Tohko outside, asking to be let in. But when he opens the door, there's nobody there, and a gust of

S4·E5 Core

To You, From Bygone Days

Jan 31, 2012

An old classmate Yuriko, remembers her time watching Natsume and how he was a little weird. A clingbug from Natsume's past reminds him of the time he spent running from a youkai wi

S4·E6 Core

The Other Side of the Glass

Feb 7, 2012

Natsume overhears whispers that a powerful youkai is reviving, later that evening he is trapped in a bottle as an offering. Humans can't see or hear him, so Nyanko-sensei decides t

S4·E7 Core

The Gap Between Humans and Youkai

Feb 14, 2012

Natsume's greatest fear has come true. Someone not involved in the world of youkai is hurt because of him. Natori needs Natsume to regain his composure or they will be eaten by Omi

S4·E8 Core

When I Was Deceived

Feb 21, 2012

Natsume is walking home one day when he's accosted by a flying Tengu, who lifts him up into the sky! Meanwhile, Nyanko-sensei is stuck in a well, where Nanase tells him a story abo

S4·E9 Mytharc

The Moon-Splitting Festival

Feb 28, 2012

Every 10 years the followers of Houdzuigami and Fudzukigami have a battle to determine the fate of the land. Natsume is approached by the followers of Houdzukigami to act as their

S4·E10 Core

The God, Enshrined

Mar 6, 2012

While being swept down the river, Natsume managed to feel the presences of Hudzuki-gami. Natori must make the choice to follow Natsume instincts or seal Fudzuki-gami.

S4·E11 Core

A Single Photo

Mar 13, 2012

Natsume gets a call from a relative: his parents home is being sold. He tells himself that it doesn't matter, and that he's forgotten his past. But he's not nearly as over it as he

S4·E12 Mytharc

The Door of Memories

Mar 20, 2012

Natsume is going home for the last time, but first he must stop by his relative's house to get the key. But he is cautious, as inside is a youkai that tormented Natsume, and a girl

S4·E13 Mytharc

A Long Way Home

Mar 27, 2012

Natsume is possessed by a spirit. Obsessed with returning home, he remembers the events that occured just after his father's death.