Demon Slayer Season 5 Episode 4 — “To Bring a Smile to One’s Face” — reviewed in full Kagex format. Hub: Demon Slayer: Kimetsu no Yaiba. Previous: Season 5 Episode 3 — Fully Recovered Tanjiro Joins the Hashira Training!!.
Hook
People search demon slayer episode 4 review when they want a straight answer: worth watching, what changes, and how it scores — without a random spoiler dump. “To Bring a Smile to One’s Face” is overall TV slot 59 (Hashira Training Arc). “To Bring a Smile to One’s Face” moves Tanjiro’s compassion test forward without resetting Nezuko’s stake. After completing training with Uzui, Tanjiro visits the Tokito residence next. The Demon Slayer swordsmen who have alrea…
Spoiler-free top half; deep recap after the warning. Character links go to live guides where they exist.
Quick Information
- Anime: Demon Slayer: Kimetsu no Yaiba
- Season / Episode: Season 5, Episode 4 (overall #59)
- English title: To Bring a Smile to One’s Face
- Arc: Hashira Training Arc
- Runtime: ~24 minutes
- Studio: ufotable
- Original air date: June 2, 2024
- Kagex score: 9.3 / 10
- Where to watch legally: Crunchyroll / Netflix (region-dependent)
- Characters: Tanjiro Kamado, Nezuko Kamado
Should You Watch It?
Worth it? Yes if you are on the Demon Slayer track in order. “To Bring a Smile to One’s Face” is load-bearing for Hashira Training Arc, not clip fodder. Score 9.3/10 reflects this hour’s craft and emotional turn.
Beginner-friendly? Only after earlier episodes. Open Episode 1 first.
Who bounces? Viewers who want zero training or dialogue — ufotable still spends minutes on breath forms, corps politics, and Tanjiro’s empathy.
Spoiler Warning
Spoilers for Season 5 Episode 4 (“To Bring a Smile to One’s Face”) follow. Stop above for a clean first watch. No later-arc spoilers beyond this episode’s end.
Story Recap
Ordinary Life
After completing training with Uzui, Tanjiro visits the Tokito residence next.
Kagex beat note: “To Bring a Smile to One’s Face” uses ordinary life inside Hashira Training Arc. Tanjiro’s kindness is tested as corps rules, demon tricks, or hashira standards tighten. This recap stays inside Season 5 Episode 4 — no Infinity Castle spoilers.
Unexpected Incident
The Demon Slayer swordsmen who have already started the training are dispirited by Muichiro‘s intense training and harsh words.
Kagex beat note: “To Bring a Smile to One’s Face” uses unexpected incident inside Hashira Training Arc. Tanjiro’s kindness is tested as corps rules, demon tricks, or hashira standards tighten. This recap stays inside Season 5 Episode 4 — no Infinity Castle spoilers.
Escalation
Tanjiro hears the swordsmen discussing if there’s anything they can do about it…
Kagex beat note: “To Bring a Smile to One’s Face” uses escalation inside Hashira Training Arc. Tanjiro’s kindness is tested as corps rules, demon tricks, or hashira standards tighten. This recap stays inside Season 5 Episode 4 — no Infinity Castle spoilers.
First Discovery
After completing training with Uzui, Tanjiro visits the Tokito residence next. The Demon Slayer swordsmen who have already started the training are dispirited by Muichiro‘s intense training and harsh words. Tanjiro hears the swordsmen discussing if there’s anything they can do about it…
Kagex beat note: “To Bring a Smile to One’s Face” uses first discovery inside Hashira Training Arc. Tanjiro’s kindness is tested as corps rules, demon tricks, or hashira standards tighten. This recap stays inside Season 5 Episode 4 — no Infinity Castle spoilers.
Important Encounter
After completing training with Uzui, Tanjiro visits the Tokito residence next. The Demon Slayer swordsmen who have already started the training are dispirited by Muichiro‘s intense training and harsh words. Tanjiro hears the swordsmen discussing if there’s anything they can do about it…
Kagex beat note: “To Bring a Smile to One’s Face” uses important encounter inside Hashira Training Arc. Tanjiro’s kindness is tested as corps rules, demon tricks, or hashira standards tighten. This recap stays inside Season 5 Episode 4 — no Infinity Castle spoilers.
Story Analysis
ufotable’s Season 5 Episode 4 board prioritizes readable faces when breath styles stack VFX. “To Bring a Smile to One’s Face” (Hashira Training Arc) assumes you know why Nezuko’s box matters and why Tanjiro will not treat demons as faceless mobs — that moral friction is the series engine, not a mid-season lecture.
Kagex story score 9.1 for this hour only: After completing training with Uzui, Tanjiro visits the Tokito residence next. The Demon Slayer swordsmen who have already started the training are dispirited by Muichiro‘s intense… Compare with binge pace vs weekly 2019–2024 drops — the episode was designed as a chapter, not a clip montage.
Animation 9.5: water, flame, sound, and mist breathing all have distinct color scripts. When the episode goes quiet (training, travel, recovery), composition carries threat — cursed wisteria, crow reports, Corps rank badges.
ufotable’s Season 5 Episode 4 board prioritizes readable faces when breath styles stack VFX. “To Bring a Smile to One’s Face” (Hashira Training Arc) assumes you know why Nezuko’s box matters and why Tanjiro will not treat demons as faceless mobs — that moral friction is the series engine, not a mid-season lecture.
Kagex story score 9.1 for this hour only: After completing training with Uzui, Tanjiro visits the Tokito residence next. The Demon Slayer swordsmen who have already started the training are dispirited by Muichiro‘s intense… Compare with binge pace vs weekly 2019–2024 drops — the episode was designed as a chapter, not a clip montage.
Animation 9.5: water, flame, sound, and mist breathing all have distinct color scripts. When the episode goes quiet (training, travel, recovery), composition carries threat — cursed wisteria, crow reports, Corps rank badges.
ufotable’s Season 5 Episode 4 board prioritizes readable faces when breath styles stack VFX. “To Bring a Smile to One’s Face” (Hashira Training Arc) assumes you know why Nezuko’s box matters and why Tanjiro will not treat demons as faceless mobs — that moral friction is the series engine, not a mid-season lecture.
Kagex story score 9.1 for this hour only: After completing training with Uzui, Tanjiro visits the Tokito residence next. The Demon Slayer swordsmen who have already started the training are dispirited by Muichiro‘s intense… Compare with binge pace vs weekly 2019–2024 drops — the episode was designed as a chapter, not a clip montage.
Animation 9.5: water, flame, sound, and mist breathing all have distinct color scripts. When the episode goes quiet (training, travel, recovery), composition carries threat — cursed wisteria, crow reports, Corps rank badges.
Character Analysis
Tanjiro Kamado still leads — even when hashira or sound pillars dominate screen time, the episode tests whether his compassion survives corps doctrine. Nezuko remains the moral anchor in the box.
Supporting cast this hour should feel like people with jobs (corps guides, demons with backstory, civilians in Yoshiwara or the village). Kagex does not invent manga-only scenes to pad word count.
World Building
Demon Slayer Corps ranks, wisteria, Nichirin swords, and breathing styles advance in Season 5. “To Bring a Smile to One’s Face” adds Hashira Training Arc rules — how missions are assigned, what “twelve kizuki” pressure feels like on the ground, and how ufotable stages Taisho-era Japan without modern anachronism.
Animation
ufotable on TV: particle-heavy breath effects, 2D faces held long enough to read grief. Animation score 9.5 for this episode’s peaks vs dialogue coverage.
Music & Voice Acting
Score 9.1. Hashira Training uses “Milestone” (MAN WITH A MISSION) as the corps-wide warm-up before Infinity Castle. Japanese track is reference (Natsuki Hanae, Akari Kito, Hiro Shimono, Yoshitsugu Matsuoka).
Hidden Details
- Crow messengers and Kasugai squares are logistics, not cute mascot filler.
- Check Tanjiro’s nose reactions — smell is plot data in Kimetsu.
- Episode title kanji often foreshadows the internal lesson (“To Bring a Smile to One’s Face”).
- No manga chapter homework required for this page.
Best Moments
- After completing training with Uzui, Tanjiro visits the Tokito residence next.
- The Demon Slayer swordsmen who have already started the training are dispirited by Muichiro‘s intense training and harsh words.
- Tanjiro hears the swordsmen discussing if there’s anything they can do about it…
Pros & Cons
Pros: Specific to “To Bring a Smile to One’s Face”; ufotable craft; emotional through-line for Tanjiro/Nezuko.
Cons: Requires sequential viewing; power-scaling debates start heavy in later seasons — not this page’s job to settle.
Final Verdict
Kagex overall: 9.3 / 10
- Story: 9.1
- Characters: 9.5
- Animation: 9.5
- Music: 9.1
- Enjoyment: 9.2
“To Bring a Smile to One’s Face” moves Tanjiro’s compassion test forward without resetting Nezuko’s stake. After completing training with Uzui, Tanjiro visits the Tokito residence next. The Demon Slayer swordsmen who have alrea…
What to Expect Next
Next: Season 5 Episode 5 (“I Even Ate Demons…”). Sequential viewers should continue.
FAQ
Do I need Season 5 Episode 4?
Yes in order. Skipping “To Bring a Smile to One’s Face” leaves gaps Hashira Training Arc assumes filled.
English title?
“To Bring a Smile to One’s Face” (Fandom / streaming listings).
When did it air?
June 2, 2024 · ufotable · ~24 min.
Is this filler?
No. Demon Slayer’s slower hours are training, travel, or recovery with payoffs.
Overall episode number?
59 of 63 TV episodes across five seasons.
Character guides?
Facts & spoilers hub?
Keep exploring
- Demon Slayer hub
- Season 5 review
- Overall review
- Previous: Season 5 Episode 3 — Fully Recovered Tanjiro Joins the Hashira Training!!
- Next: Season 5 Episode 5 — I Even Ate Demons…
- Browse
Your turn
Did “To Bring a Smile to One’s Face” earn your continue button? Favorite frame or line?
Sources: Kimetsu no Yaiba Wiki (Fandom) synopses; ufotable / Aniplex credits.
Kagex extended note on “To Bring a Smile to One’s Face”: After completing training with Uzui, Tanjiro visits the Tokito residence next. The Demon Slayer swordsmen who have already started the training are dispirited by Muichiro’s intense training and harsh words. Tanjiro hears the swordsmen discussing if there’s anything they can do about it…… Demon Slayer succeeds when action serves Tanjiro’s refusal to dehumanize victims — even demons with tragic backstories. That ethic is tested again in Hashira Training Arc without undoing earlier choices.
Kagex extended note on “To Bring a Smile to One’s Face”: After completing training with Uzui, Tanjiro visits the Tokito residence next. The Demon Slayer swordsmen who have already started the training are dispirited by Muichiro’s intense training and harsh words. Tanjiro hears the swordsmen discussing if there’s anything they can do about it…… Demon Slayer succeeds when action serves Tanjiro’s refusal to dehumanize victims — even demons with tragic backstories. That ethic is tested again in Hashira Training Arc without undoing earlier choices.
Kagex extended note on “To Bring a Smile to One’s Face”: After completing training with Uzui, Tanjiro visits the Tokito residence next. The Demon Slayer swordsmen who have already started the training are dispirited by Muichiro’s intense training and harsh words. Tanjiro hears the swordsmen discussing if there’s anything they can do about it…… Demon Slayer succeeds when action serves Tanjiro’s refusal to dehumanize victims — even demons with tragic backstories. That ethic is tested again in Hashira Training Arc without undoing earlier choices.
Kagex extended note on “To Bring a Smile to One’s Face”: After completing training with Uzui, Tanjiro visits the Tokito residence next. The Demon Slayer swordsmen who have already started the training are dispirited by Muichiro’s intense training and harsh words. Tanjiro hears the swordsmen discussing if there’s anything they can do about it…… Demon Slayer succeeds when action serves Tanjiro’s refusal to dehumanize victims — even demons with tragic backstories. That ethic is tested again in Hashira Training Arc without undoing earlier choices.
Kagex extended note on “To Bring a Smile to One’s Face”: After completing training with Uzui, Tanjiro visits the Tokito residence next. The Demon Slayer swordsmen who have already started the training are dispirited by Muichiro’s intense training and harsh words. Tanjiro hears the swordsmen discussing if there’s anything they can do about it…… Demon Slayer succeeds when action serves Tanjiro’s refusal to dehumanize victims — even demons with tragic backstories. That ethic is tested again in Hashira Training Arc without undoing earlier choices.
Kagex extended note on “To Bring a Smile to One’s Face”: After completing training with Uzui, Tanjiro visits the Tokito residence next. The Demon Slayer swordsmen who have already started the training are dispirited by Muichiro’s intense training and harsh words. Tanjiro hears the swordsmen discussing if there’s anything they can do about it…… Demon Slayer succeeds when action serves Tanjiro’s refusal to dehumanize victims — even demons with tragic backstories. That ethic is tested again in Hashira Training Arc without undoing earlier choices.
Kagex extended note on “To Bring a Smile to One’s Face”: After completing training with Uzui, Tanjiro visits the Tokito residence next. The Demon Slayer swordsmen who have already started the training are dispirited by Muichiro’s intense training and harsh words. Tanjiro hears the swordsmen discussing if there’s anything they can do about it…… Demon Slayer succeeds when action serves Tanjiro’s refusal to dehumanize victims — even demons with tragic backstories. That ethic is tested again in Hashira Training Arc without undoing earlier choices.
Kagex extended note on “To Bring a Smile to One’s Face”: After completing training with Uzui, Tanjiro visits the Tokito residence next. The Demon Slayer swordsmen who have already started the training are dispirited by Muichiro’s intense training and harsh words. Tanjiro hears the swordsmen discussing if there’s anything they can do about it…… Demon Slayer succeeds when action serves Tanjiro’s refusal to dehumanize victims — even demons with tragic backstories. That ethic is tested again in Hashira Training Arc without undoing earlier choices.
Kagex extended note on “To Bring a Smile to One’s Face”: After completing training with Uzui, Tanjiro visits the Tokito residence next. The Demon Slayer swordsmen who have already started the training are dispirited by Muichiro’s intense training and harsh words. Tanjiro hears the swordsmen discussing if there’s anything they can do about it…… Demon Slayer succeeds when action serves Tanjiro’s refusal to dehumanize victims — even demons with tragic backstories. That ethic is tested again in Hashira Training Arc without undoing earlier choices.
Kagex extended note on “To Bring a Smile to One’s Face”: After completing training with Uzui, Tanjiro visits the Tokito residence next. The Demon Slayer swordsmen who have already started the training are dispirited by Muichiro’s intense training and harsh words. Tanjiro hears the swordsmen discussing if there’s anything they can do about it…… Demon Slayer succeeds when action serves Tanjiro’s refusal to dehumanize victims — even demons with tragic backstories. That ethic is tested again in Hashira Training Arc without undoing earlier choices.
