August 23, 2026 · 12 min read · Episode guide · Episode 23 · Kagex Blog

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Attack on Titan S1 Episode 23 Review

Anime hub: Attack on Titan · Season 1

Contains spoilers for this episode.

Attack on Titan Season 1 Episode 23 Smile: Assault on Stohess, Part 1 promotional art
Official promotional art. © Hajime Isayama / Kodansha / Production I.G / WIT Studio

Kagex rating: 9.0 / 10

Episode: Season 1 · Episode 23 — “Smile: Assault on Stohess, Part 1”

Air date: September 15, 2013 · Runtime: ~24 minutes · Studio: WIT Studio

Attack on Titan Season 1 Episode 23 — “Smile: Assault on Stohess, Part 1” — reviewed in full Kagex format. Hub: Attack on Titan. Previous: Season 1 Episode 22 — The Defeated: The 57th Exterior Scouting Mission, Part 6.

Hook

People search attack on titan episode 23 review when they want a straight answer: worth watching, what changes, and how it scores — without a random spoiler dump. “Smile: Assault on Stohess, Part 1” is overall TV slot 23 (Fall of Shiganshina / Trost / 57th Expedition / Stohess). “Smile: Assault on Stohess, Part 1” keeps Attack on Titan’s pressure honest — no soft reset, just the next cost. left|200px|thumb|Hitch humors Marlo Annie has a dream of being trained by her father before waking up in her room. In the Stohess District o…

Spoiler-free top half; deep recap after the warning. Character links go to live guides where they exist.

Quick Information

  • Anime: Attack on Titan
  • Season / Episode: Season 1, Episode 23 (overall #23)
  • English title: Smile: Assault on Stohess, Part 1
  • Arc: Fall of Shiganshina / Trost / 57th Expedition / Stohess
  • Runtime: ~24 minutes
  • Studio: WIT Studio
  • Original air date: September 15, 2013
  • Kagex score: 9.0 / 10
  • Where to watch legally: Crunchyroll / Hulu / Netflix (region-dependent)
  • Characters: Eren Yeager, Mikasa Ackerman, Armin Arlert, Levi Ackerman
Attack on Titan official banner Season 1 Episode 23
Official banner art. © Hajime Isayama / Kodansha / Production I.G / WIT Studio

Should You Watch It?

Worth it? Yes if you are on the Attack on Titan track in order. “Smile: Assault on Stohess, Part 1” is load-bearing for Fall of Shiganshina / Trost / 57th Expedition / Stohess, not clip fodder. Score 9.0/10 reflects this hour’s craft, character pressure, and world stakes.

Beginner-friendly? Only after earlier episodes. Open Episode 1 first — Shiganshina is the whole point of the dread.

Who bounces? Viewers who want tidy power-ups, zero politics, or a soft reset every cour. AoT spends minutes on military hierarchy, betrayal logistics, and why a “necessary” plan still feels rotten.

Bottom line: keep going if the walls already hooked you. Skip only if you already quit dark political fantasy as a genre — this hour will not convert a hard no.

Spoiler Warning

Spoilers for Season 1 Episode 23 (“Smile: Assault on Stohess, Part 1”) follow. Stop above for a clean first watch. No later-arc spoilers beyond this episode’s end.

Story Recap

Ordinary Life

left|200px|thumb|Hitch humors Marlo Annie has a dream of being trained by her father before waking up in her room. In the Stohess District of Wall Sina, the Military Police are ordered to escort the Scout Regiment convoy once they enter the capital. The superiors put all the work on the cadets. The Military Police are shown to be lazy and corrupt which one of Annie‘s colleagues, Hitch, reveals she joined the police for that reason. Another colleague, Marlo, is disgusted, revealing he joined the police so he could reform it to become a better organization which Annie respects since he reminds her of Eren.

Kagex beat note: “Smile: Assault on Stohess, Part 1” uses ordinary life inside Fall of Shiganshina / Trost / 57th Expedition / Stohess. Eren’s will, Mikasa’s protection, and Armin’s caution keep colliding with military orders and Titan physics — this recap stays inside Season 1 Episode 23, no later-arc spoilers.

Unexpected Incident

right|thumb|right|200px|Marlo is hit by officials when trying to stop them for stealing As they begin marching out, they see their commanding officers selling Military Police equipment to the black market. Marlo tries to stop them. They think he wants in and is trying to blackmail, so they give him a coin. He persists and threatens to tell on them, but fails inevitably and receives a beat down. He is rescued by Annie and Hitch, who point out the surrounding crowd.

Kagex beat note: “Smile: Assault on Stohess, Part 1” uses unexpected incident inside Fall of Shiganshina / Trost / 57th Expedition / Stohess. Eren’s will, Mikasa’s protection, and Armin’s caution keep colliding with military orders and Titan physics — this recap stays inside Season 1 Episode 23, no later-arc spoilers.

Escalation

After letting their commanding officers go, they continue to head to Stohess. After the convoy has entered Stohess, Annie is secretly called by Armin in the alleyways. Armin asks for her help as he is helping Eren escape the capital as the one riding in the convoy is actually Jean in disguise. She refuses at first, noting the problems with the plan, but after Armin begs again, believing she is a good person, she finally agrees, but puts on a ring before following him. Annie, Mikasa, Eren and Armin begin their journey to escape the capital.

Kagex beat note: “Smile: Assault on Stohess, Part 1” uses escalation inside Fall of Shiganshina / Trost / 57th Expedition / Stohess. Eren’s will, Mikasa’s protection, and Armin’s caution keep colliding with military orders and Titan physics — this recap stays inside Season 1 Episode 23, no later-arc spoilers.

First Discovery

Soon, they reach an underground tunnel and Armin leads the way into the underground tunnel. However, Annie refuses to enter. Eren and Armin try to get Annie to follow them, but Annie starts to get curious as she states that there are no civilians around, and she notices that Armin was behaving and looking at her strangely as nearby hidden Scout Regiment members disguised as civilians watch over them. Armin finally reveals his suspicion that Annie is the Female Titan since the omni-directional mobility gear she had presented to check for unauthorized usage after Sawney and Beane were killed was Marco’s. Annie asks why Armin did not stop her then and Armin replies that he did not want to believe it.

Kagex beat note: “Smile: Assault on Stohess, Part 1” uses first discovery inside Fall of Shiganshina / Trost / 57th Expedition / Stohess. Eren’s will, Mikasa’s protection, and Armin’s caution keep colliding with military orders and Titan physics — this recap stays inside Season 1 Episode 23, no later-arc spoilers.

Important Encounter

Armin also wonders why she did not kill him during the last expedition, saying that letting him live back then is what led to this current situation. Eren and Armin beg Annie to prove them wrong by following them. left|thumb|200px|Mikasa readies to fight the Female Titan again Mikasa believes that they had failed to take her underground. She takes out her swords, preparing to fight the Female Titan once again. Annie, knowing her identity is exposed, laughs sadis

Kagex beat note: “Smile: Assault on Stohess, Part 1” uses important encounter inside Fall of Shiganshina / Trost / 57th Expedition / Stohess. Eren’s will, Mikasa’s protection, and Armin’s caution keep colliding with military orders and Titan physics — this recap stays inside Season 1 Episode 23, no later-arc spoilers.

Attack on Titan key visual Season 1 Episode 23
Official key visual. © Hajime Isayama / Kodansha / Production I.G / WIT Studio

Story Analysis

WIT Studio’s Season 1 Episode 23 board prioritizes readable dread when Titans and politics stack cuts. “Smile: Assault on Stohess, Part 1” (Fall of Shiganshina / Trost / 57th Expedition / Stohess) assumes you already care why Eren’s rage is not a power fantasy and why Mikasa’s protectiveness costs her — that friction is the series engine, not a mid-season lecture.

Kagex story score 8.8 for this hour only: left|200px|thumb|Hitch humors Marlo Annie has a dream of being trained by her father before waking up in her room. In the Stohess District of Wall Sina, the Military Police are ordered to escort the S… Compare binge pace vs weekly 2013–2023 drops — the episode was designed as a chapter, not a highlight clip.

Animation 9.0: ODM wire geometry, Titan flesh texture, and faces held long enough to read panic. When the episode goes quiet (barracks talk, memory fragments, war-room maps), composition still carries threat — walls, steam, and who is lying.

Characters score 8.7: Attack on Titan never wins because one ace gets a speech buff. Wins (and losses) come from who plans, who freezes, and who pays the bill. Armin’s brain, Levi’s precision, Erwin’s gambles, Hange’s curiosity — role clarity is the craft.

“Smile: Assault on Stohess, Part 1” works when the cost is allowed to stick. Attack on Titan rarely softens a massacre for vibes — it uses the loss to force a strategy change, a loyalty crack, or a truth nobody wanted. That honesty is why later “wins” feel expensive instead of gifted.

Pacing inside Episode 23 is chapter pacing: setup → pressure → revelation → residue. If a Titan fight lands, it is because the episode already told you who is panicking and who is using the chaos. Kagex does not invent secrets that air later; the analysis stays local to this hour.

Character Analysis

Eren still leads with will-as-violence — even when the camera widens to politics, the episode tests whether his freedom talk survives contact with other people’s lives. Mikasa remains the protectiveness problem: skill that can save a friend and cage a choice. Armin is the conscience and the calculator — when he speaks, listen for what the military will not say out loud.

Corps energy from Levi, Erwin, and Hange only matters when their jobs are visible — blades, gambits, curiosity. Supporting faces (Jean, Connie, Sasha, Historia, Reiner, Annie, Bertholdt) should feel like people with incentives, not crowd noise. Kagex does not invent manga-only scenes to pad word count.

Later-era hours may spotlight Zeke, Gabi, or Falco — when they appear, watch how the show’s moral language changes. The best character writing here is competitive empathy for enemies who still believe they are right.

World Building

Paradis walls, military branches, Titan biology, and (eventually) the world beyond — advances in Season 1. “Smile: Assault on Stohess, Part 1” adds Fall of Shiganshina / Trost / 57th Expedition / Stohess rules: how fear becomes policy, what a Scout expedition costs, and why “humanity” is a slogan that keeps getting rewritten.

This episode only: geography stays local to the districts, barracks, and battlefields on screen. No future-arc spoilers, no movie-only detours. The world is steam, maps, and the next lie sold as survival.

Animation

WIT Studio on TV: ODM choreography that stays readable, Titan silhouettes that sell scale, and faces held long enough to read doubt. Animation score 9.0 for this episode’s peak action vs dialogue coverage. Wire timing and steam frames do more storytelling than any glowing aura ever could.

Music & Voice Acting

Score 8.9. Cour two keeps Linked Horizon / Revo-era intensity while the Female Titan hunt turns the Survey Corps into a tragedy machine. WIT’s sound mix treats ODM gear like a weapon, not a toy. Japanese track is reference (Yuki Kajiura / Hiroyuki Sawano eras depending on cour, plus the core cast). Silence and crowd panic beds are half the emotion — mute them and the horror flattens.

Hidden Details

  • Watch who gives orders vs who repeats them — AoT hides power in echo chains.
  • Eye-lines after a Titan kill often telegraph guilt better than dialogue.
  • Episode title “Smile: Assault on Stohess, Part 1” usually names the emotional receipt, not just the setpiece.
  • Background soldiers are plot: who freezes, who runs, who takes notes.
  • No manga chapter homework required for this page.

Best Moments

  • left|200px|thumb|Hitch humors Marlo Annie has a dream of being trained by her father before waking up in her room.
  • In the Stohess District of Wall Sina, the Military Police are ordered to escort the Scout Regiment convoy once they enter the capital.
  • The superiors put all the work on the cadets.
  • The Military Police are shown to be lazy and corrupt which one of Annie‘s colleagues, Hitch, reveals she joined the police for that reason.
  • Another colleague, Marlo, is disgusted, revealing he joined the police so he could reform it to become a better organization which Annie respects since he reminds her of Eren.
  • Any beat where a “necessary” plan is spoken out loud — that is the franchise’s real weapon.

Pros & Cons

Pros: Specific to “Smile: Assault on Stohess, Part 1”; WIT Studio craft; character pressure through-line for Eren/Mikasa/Armin and the Corps.

Cons: Requires sequential viewing; politics / logistics hours can feel dense if you only want Titan fights.

Final Verdict

Kagex overall: 9.0 / 10

  • Story: 8.8
  • Characters: 8.7
  • Animation: 9.0
  • Music: 8.9
  • Enjoyment: 9.0

“Smile: Assault on Stohess, Part 1” keeps Attack on Titan’s pressure honest — no soft reset, just the next cost. left|200px|thumb|Hitch humors Marlo Annie has a dream of being trained by her father before waking up in her room. In the Stohess District o…

What to Expect Next

Next: Season 1 Episode 24 (“Mercy: Assault on Stohess, Part 2”). Sequential viewers should continue — Attack on Titan pays off patience with revelation pressure, not random filler resets.

FAQ

Do I need Season 1 Episode 23?

Yes in order. Skipping “Smile: Assault on Stohess, Part 1” leaves gaps Fall of Shiganshina / Trost / 57th Expedition / Stohess assumes filled.

English title?

“Smile: Assault on Stohess, Part 1” (Fandom / streaming listings).

When did it air?

September 15, 2013 · WIT Studio · ~24 min.

Is this filler?

No. Attack on Titan’s slower hours are politics, memory, or logistics with payoffs — not padded clip shows.

Overall episode number?

23 of 94 TV episodes across four seasons (Final Chapters as episodic 88–94).

Where to watch?

Crunchyroll / Hulu / Netflix (region-dependent).

Character guides?

Attack on Titan characters.

Facts & spoilers hub?

Fact and Spoilers.

Keep exploring

Your turn

Did “Smile: Assault on Stohess, Part 1” earn your continue button? Favorite line, kill, or quiet dread beat?

Which voice felt loudest this hour — Eren, Mikasa, Armin, or the Corps brass?

Sources: Attack on Titan Wiki (Fandom) Summary sections; © Hajime Isayama / Kodansha / Production I.G / WIT Studio / MAPPA.

WIT Studio’s Season 1 Episode 23 board prioritizes readable dread when Titans and politics stack cuts. “Smile: Assault on Stohess, Part 1” (Fall of Shiganshina / Trost / 57th Expedition / Stohess) assumes you already care why Eren’s rage is not a power fantasy and why Mikasa’s protectiveness costs her — that friction is the series engine, not a mid-season lecture.

Our reaction

Spoiler-aware take after the recap — how the episode felt to watch.

9.0/10

“Smile: Assault on Stohess, Part 1” keeps Attack on Titan’s pressure honest — no soft reset, just the next cost. left|200px|thumb|Hitch humors Marlo Annie has a dream of being trained by her father before waking up in her room. In the Stohess District o…

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