Erwin Smith: The 57th Exterior Scouting Mission, Part 4 promotional art” />Attack on Titan Season 1 Episode 20 — “Erwin Smith: The 57th Exterior Scouting Mission, Part 4” — reviewed in full Kagex format. Hub: Attack on Titan. Previous: Season 1 Episode 19 — Bite: The 57th Exterior Scouting Mission, Part 3.
Hook
People search attack on titan episode 20 review when they want a straight answer: worth watching, what changes, and how it scores — without a random spoiler dump. “Erwin Smith: The 57th Exterior Scouting Mission, Part 4” is overall TV slot 20 (Fall of Shiganshina / Trost / 57th Expedition / Stohess). “Erwin Smith: The 57th Exterior Scouting Mission, Part 4” keeps Attack on Titan’s pressure honest — no soft reset, just the next cost. Following the capture of the Female Titan, Eren questions its identity, wondering if it is an abnormal or something like the Colossal Titan.…
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 20 (overall #20)
- English title: Erwin Smith: The 57th Exterior Scouting Mission, Part 4
- Arc: Fall of Shiganshina / Trost / 57th Expedition / Stohess
- Runtime: ~24 minutes
- Studio: WIT Studio
- Original air date: August 25, 2013
- Kagex score: 9.3 / 10
- Where to watch legally: Crunchyroll / Hulu / Netflix (region-dependent)
- Characters: Eren Yeager, Mikasa Ackerman, Armin Arlert, Levi Ackerman
Should You Watch It?
Worth it? Yes if you are on the Attack on Titan track in order. “Erwin Smith: The 57th Exterior Scouting Mission, Part 4” is load-bearing for Fall of Shiganshina / Trost / 57th Expedition / Stohess, not clip fodder. Score 9.3/10 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 20 (“Erwin Smith: The 57th Exterior Scouting Mission, Part 4”) follow. Stop above for a clean first watch. No later-arc spoilers beyond this episode’s end.
Story Recap
Ordinary Life
Following the capture of the Female Titan, Eren questions its identity, wondering if it is an abnormal or something like the Colossal Titan. Oruo and Petra interrupt his thinking and tell him to focus on getting farther in and standing by. Meanwhile, Levi readies himself to strike the Female Titan, however, Erwin is not satisfied with just trapping the Female Titan and orders the soldiers to fire the rest of the wires. thumb|left|200px|Jean states his hypothesis At the outskirts of the forest, the soldiers continue making sure that no Titans get inside. Christa notices one of the Titans attempting to climb, but Nanaba does not seem to be worried at all.
Kagex beat note: “Erwin Smith: The 57th Exterior Scouting Mission, Part 4” 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 20, no later-arc spoilers.
Unexpected Incident
She also states that it should not be long until Commander Erwin issues a withdrawal order. While Sasha and Mikasa wonder if it is the sound of cannons firing inside the forest, Ymir asks Bertholdt about Christa’s whereabouts, but Bertholdt does not know. Jean and Armin are forced to shift positions as a Titan is beginning to climb farther into their position, noting that it is scary how they are able to learn. Afterward, Jean shares his idea about what is going on inside the forest: He thinks that they lured the Female Titan into the forest in order to capture it. Inside the forest, Eren also reaches a similar conclusion, but wonders why is it that not even the elite soldiers knew about the plan.
Kagex beat note: “Erwin Smith: The 57th Exterior Scouting Mission, Part 4” 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 20, no later-arc spoilers.
Escalation
This angers Petra and Oruo as Eren implies that Erwin does not trust them. However, Eld agrees with Eren and concludes that it is because Erwin knew of a spy among the soldiers. He then assumes that the only soldiers aware of the plan were those who survived 5 years ago. They wonder if that spy was the one to kill Sawney and Beane, remembering the question Erwin asked everyone at that time, finally realizing its meaning. Eren ponders about Erwin‘s decision, knowing that too many soldiers died because of it.
Kagex beat note: “Erwin Smith: The 57th Exterior Scouting Mission, Part 4” 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 20, no later-arc spoilers.
First Discovery
Eld asks him if he thinks that Erwin was wrong. At the same time, discussing the same issue, Armin tells Jean that Erwin simply made his choice – whether to sacrifice hundreds of soldiers or all the people inside the Walls. He states that only those who do not hesitate to make sacrifices are able to change something. thumb|right|200px|Erwin orders more restraints fired Meanwhile, Hange continues taking advantage of the Female Titan’s regenerative abilities in order to immobilize it, as the more it regenerates, the stiffer it becomes. However, in spite of the Titan’s restricted movements, Levi and Miche are unable to break through its hardened skin.
Kagex beat note: “Erwin Smith: The 57th Exterior Scouting Mission, Part 4” 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 20, no later-arc spoilers.
Important Encounter
Erwin notes that it is an ability similar to that of the Armored Titan. He then decides to use explosives to blow up the target’s wrists and orders the soldiers to ready them. At the same time, Levi lands on top of the Female Titan’s head and sarcastically rema
Kagex beat note: “Erwin Smith: The 57th Exterior Scouting Mission, Part 4” 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 20, no later-arc spoilers.
Story Analysis
WIT Studio’s Season 1 Episode 20 board prioritizes readable dread when Titans and politics stack cuts. “Erwin Smith: The 57th Exterior Scouting Mission, Part 4” (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 9.1 for this hour only: Following the capture of the Female Titan, Eren questions its identity, wondering if it is an abnormal or something like the Colossal Titan. Oruo and Petra interrupt his thinking and tell him to focus… 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 9.5: 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.
“Erwin Smith: The 57th Exterior Scouting Mission, Part 4” 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 20 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. “Erwin Smith: The 57th Exterior Scouting Mission, Part 4” 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 9.0. 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 “Erwin Smith: The 57th Exterior Scouting Mission, Part 4” 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
- Following the capture of the Female Titan, Eren questions its identity, wondering if it is an abnormal or something like the Colossal Titan.
- Oruo and Petra interrupt his thinking and tell him to focus on getting farther in and standing by.
- Meanwhile, Levi readies himself to strike the Female Titan, however, Erwin is not satisfied with just trapping the Female Titan and orders the soldiers to fire the rest of the wires.
- thumb|left|200px|Jean states his hypothesis At the outskirts of the forest, the soldiers continue making sure that no Titans get inside.
- Christa notices one of the Titans attempting to climb, but Nanaba does not seem to be worried at all.
- Any beat where a “necessary” plan is spoken out loud — that is the franchise’s real weapon.
Pros & Cons
Pros: Specific to “Erwin Smith: The 57th Exterior Scouting Mission, Part 4”; 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: 9.3 / 10
- Story: 9.1
- Characters: 9.5
- Animation: 9.0
- Music: 9.0
- Enjoyment: 9.2
“Erwin Smith: The 57th Exterior Scouting Mission, Part 4” keeps Attack on Titan’s pressure honest — no soft reset, just the next cost. Following the capture of the Female Titan, Eren questions its identity, wondering if it is an abnormal or something like the Colossal Titan.…
What to Expect Next
Next: Season 1 Episode 21 (“Crushing Blow: The 57th Exterior Scouting Mission, Part 5”). Sequential viewers should continue — Attack on Titan pays off patience with revelation pressure, not random filler resets.
FAQ
Do I need Season 1 Episode 20?
Yes in order. Skipping “Erwin Smith: The 57th Exterior Scouting Mission, Part 4” leaves gaps Fall of Shiganshina / Trost / 57th Expedition / Stohess assumes filled.
English title?
“Erwin Smith: The 57th Exterior Scouting Mission, Part 4” (Fandom / streaming listings).
When did it air?
August 25, 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?
20 of 94 TV episodes across four seasons (Final Chapters as episodic 88–94).
Where to watch?
Crunchyroll / Hulu / Netflix (region-dependent).
Character guides?
Facts & spoilers hub?
Keep exploring
- Attack on Titan hub
- Season 1 review
- Overall review
- Previous: Season 1 Episode 19 — Bite: The 57th Exterior Scouting Mission, Part 3
- Next: Season 1 Episode 21 — Crushing Blow: The 57th Exterior Scouting Mission, Part 5
- Browse
Your turn
Did “Erwin Smith: The 57th Exterior Scouting Mission, Part 4” 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.
