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THE Big O (2003) banner
THE Big O (2003)
Aliases

THE Big O (2003), The Big O II, THEビッグオー (2003)

S1WINTER 2003TV
concluded
Announced
In production
Releasing
Completed

The Big O II

THE Big O (2003)

XReddit
Continuation of The Big O.

Notes:
- Originally planned as a 26-episode series, low viewership in Japan reduced production to the first 13.
- Positive international reception resulted in a second season consisting of the remaining 13 episodes; co-produced by Cartoon Network, Sunrise, and Bandai Visual.

Last updated

Jul 27, 2026, 06:47 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

40.6

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

Signal coverage: 100% Signal freshness: High Updated yesterday

Top reasons

  • Crunchyroll Like Index - 514 likes / 519 reactions on recent episodes
  • Cross-platform popularity index - Aggregate reach of ~4,464 followers
  • Cross-platform audience rating - Weighted audience rating 60.8
Runway
Anime original

This is an anime original, not an adaptation, so there is no source material to run down - renewal turns on sales and popularity rather than runway.

Financial & Commercial56
Production Feasibility30
Audience Reception51
Strategic Priors24
Fandom Engagement5

CourScore history

CourScore over time

Last analysedJul 27, 2026, 06:47 AM
Next scheduled6 hours ago
Renewal FAQ

The Big O II renewal questions

Common questions about this title's renewal prospects, answered by Courcast's daily analysis.

Is The Big O II getting a new season?
According to Courcast's latest analysis, The Big O II has a 41% renewal probability. This score is updated daily and blends fandom momentum, streaming signals, source-material runway, and franchise history. Check back regularly for the latest forecast.
Will The Big O II be renewed?
The Big O II currently scores 41 out of 100 on Courcast. Signals driving this estimate include online discussion volume, sequel history within the franchise, and platform engagement data - all recalculated daily. Titles scoring above 70 are considered Very Likely to receive a continuation.
What is The Big O II's renewal probability?
The Big O II's CourScore is 41 as of the latest update. CourScore is Courcast's proprietary metric that aggregates over a dozen renewal signals - from source-material runway to social buzz - into a single daily-updated probability out of 100.
Latest signals

Fresh telemetry

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

SourceMetricGeoValueCollected
filmarksmark countJP342Jul 23, 2026, 12:00 AM
filmarksscore meanJP82Jul 23, 2026, 12:00 AM
crunchyrollepisode countGLOBAL20Jul 23, 2026, 12:00 AM
crunchyrollepisode likesGLOBAL514Jul 23, 2026, 12:00 AM
niconicoepisode commentsJP7Jul 23, 2026, 12:00 AM
crunchyrollepisode dislikesGLOBAL5Jul 23, 2026, 12:00 AM
niconicoepisode mylistsJP23Jul 23, 2026, 12:00 AM
anilistpopularityGLOBAL4,465Jul 22, 2026, 12:00 AM
redditthreads 7dGLOBAL8Jul 22, 2026, 12:00 AM
mangadexchapters totalGLOBAL21Jul 22, 2026, 12:00 AM
redditmentions 1dGLOBAL1Jul 22, 2026, 12:00 AM
google trendsinterest dailyGLOBAL0Jul 21, 2026, 12:00 AM
redditmentions 7dGLOBAL8Jul 22, 2026, 12:00 AM
crunchyrollseries availableGLOBAL1Jul 23, 2026, 12:00 AM
niconicoepisode viewsJP1,332Jul 23, 2026, 12:00 AM
redditthread countGLOBAL8Jul 22, 2026, 12:00 AM
anilisttrendingGLOBAL0Jul 22, 2026, 12:00 AM
google trendsinterest weeklyGLOBAL11Jul 12, 2026, 12:00 AM
redditscore 7dGLOBAL1,934Jul 22, 2026, 12:00 AM
kitsufavoritesGLOBAL1Jul 21, 2026, 12:00 AM
anilistaverage scoreGLOBAL73Jul 22, 2026, 12:00 AM
anilistfavoritesGLOBAL190Jul 22, 2026, 12:00 AM
tmdbvote countGLOBAL0Jul 22, 2026, 12:00 AM
tmdbpopularityGLOBAL0.02Jul 22, 2026, 12:00 AM
redditcomments 7dGLOBAL703Jul 22, 2026, 12:00 AM
mangaupdatesbayesian ratingGLOBAL6.51Jul 22, 2026, 12:00 AM
mangadexvolumes totalGLOBAL6Jul 22, 2026, 12:00 AM
mangadexsource status codeGLOBAL3Jul 22, 2026, 12:00 AM
shikimoricompletion ratioGLOBAL0.12Jul 21, 2026, 12:00 AM
kitsuscore meanGLOBAL66.03Jul 21, 2026, 12:00 AM
shikimorimember countGLOBAL117Jul 21, 2026, 12:00 AM
kitsumember countGLOBAL426Jul 21, 2026, 12:00 AM
shikimoriscore meanGLOBAL0Jul 21, 2026, 12:00 AM
wikipediapageviews dailyEN.WIKIPEDIA18Jul 23, 2026, 12:00 AM
kitsurating rankGLOBAL8,497Jul 21, 2026, 12:00 AM