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Hataraku Saibou!!
Aliases

Les brigades immunitaires 2, เซลล์ขยัน พันธุ์เดือด ภาค 2, Hataraku Saibou!!, Cells at Work!!, はたらく細胞!!, Default, Synonym, Cells at Work!! 2nd Season, Hataraku Saibou 2nd Season, Japanese, English, German, Cells at Work!, Spanish, French, Les Brigades immunitaires, Cells at Work! CODE BLACK, はたらく細胞BLACK

S211WINTER 2021TV
concluded
Announced
In production
Releasing
Completed

Cells at Work!!

Hataraku Saibou!!

The second season of Hataraku Saibou.

Cells at Work!! continues the tale of…well…you! Set inside the human body, Cells at Work!! chronicles the life and times of everything from the oxygen-carrying Red Blood Cells to the bacteria-fighting White Blood Cells. And, of course, the dangerous viruses and villains lurking beneath the skin!

(Source: Funimation)

Notes:
- The episodes were streamed two days ahead of the Japanese broadcast on Funimation beginning on Jan 8, 2021 at 2:00 JST. The regular TV broadcast started on Jan 9, 2021 at 23:30 JST.
- The pre-screened movie "Hataraku Saibou!!" Saikyou no Teki, Futatabi. Karada no Naka wa "Chou" Oosawagi! is included as episodes 4-8 split into the broadcast.

Last updated

Jun 4, 2026, 12:13 AM

Franchise overview

Franchise timeline

Review every Courcast-tracked season for this series and jump between entries.

Renewal pulse

Courcast score breakdown

CourScore is the probability of an official sequel announcement within 18 months, blending attention velocity, completion strength, and catalogue health.

CourScore

49.8

CourScore is the probability of an official sequel announcement within 18 months.

Signal coverage: 100% Signal freshness: High Updated 2 hours ago

Top reasons

  • Cross-platform popularity index - Aggregate reach of ~46,726 followers
  • IP reach across services - Multi-platform footprint of ~58,057 users
  • Favourite base strength - 808 cross-platform favourites
Runway
Low

Source runway looks tight, so near-term sequel odds are capped.

Financial & Commercial78
Production Feasibility26
Audience Reception50
Strategic Priors35
Fandom Engagement21

CourScore history

CourScore over time

Last analysedJun 4, 2026, 12:13 AM
Next scheduledin 22 hours
Latest signals

Fresh telemetry

Courcast watches every connected signal to surface the freshest indicators of momentum.

SourceMetricGeoValueCollected
anilistfavoritesGLOBAL808Jun 2, 2026, 12:00 AM
anilistaverage scoreGLOBAL72Jun 2, 2026, 12:00 AM
anilistpopularityGLOBAL89,407Jun 2, 2026, 12:00 AM
youtubeuploads 7dGLOBAL25May 26, 2026, 12:00 AM
youtubeviews 7dGLOBAL74,560May 26, 2026, 12:00 AM
youtubeviews 30dGLOBAL74,560May 26, 2026, 12:00 AM
anilisttrendingGLOBAL1Jun 2, 2026, 12:00 AM
youtubeuploads 30dGLOBAL25May 26, 2026, 12:00 AM
kitsumember countGLOBAL9,008Jun 1, 2026, 12:00 AM
kitsuscore meanGLOBAL75.1Jun 1, 2026, 12:00 AM
kitsurating rankGLOBAL2,407Jun 1, 2026, 12:00 AM
mangadexvolumes totalGLOBAL6May 23, 2026, 12:00 AM
kitsufavoritesGLOBAL13Jun 1, 2026, 12:00 AM
mangadexsource status codeGLOBAL3May 23, 2026, 12:00 AM
malcompletedGLOBAL142,592May 25, 2026, 12:00 AM
google trendsinterest weeklyGLOBAL32Apr 12, 2026, 12:00 AM
wikipediapageviews dailyEN.WIKIPEDIA2Apr 27, 2026, 12:00 AM
mangaupdatesbayesian ratingGLOBAL7.72May 23, 2026, 12:00 AM
shikimoriscore meanGLOBAL0May 30, 2026, 12:00 AM
youtubechannel views totalGLOBAL10,207May 24, 2026, 12:00 AM
mangadexchapters totalGLOBAL30May 23, 2026, 12:00 AM
malwatchingGLOBAL24,420May 25, 2026, 12:00 AM
malplan to watchGLOBAL115,306May 25, 2026, 12:00 AM
youtubesubscribers totalGLOBAL20May 24, 2026, 12:00 AM
tmdbpopularityGLOBAL10.18Jun 1, 2026, 12:00 AM
tmdbvote countGLOBAL110Jun 1, 2026, 12:00 AM