

THE Big O Season 2, THE Big O (2003), The Big O II, THEビッグオー (2003)
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
Oct 28, 2026, 06:14 AM
Franchise timeline
Review every Courcast-tracked season for this series and jump between entries.
Courcast score breakdown
CourScore weighs signals for an official sequel announcement within 18 months, blending attention velocity, completion strength, and catalogue health.
CourScore
25.6
CourScore measures renewal signals out of 100. It is not a calibrated probability of an official sequel announcement within 18 months.
Signal coverage: 100% • Signal freshness: High • Updated 11 hours ago
Top reasons
- Cross-platform audience rating - Weighted audience rating 74.1
- Favourite base strength - 193 cross-platform favourites
- IP reach across services - Multi-platform footprint of ~193 users
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.
CourScore history
CourScore over time
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 26/100 renewal signal score. 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 26 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. Scores from 70 indicate strong renewal signals; scores from 85 are labelled very likely.
- What is The Big O II's renewal probability?
- The Big O II's CourScore is 26 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 signal score out of 100.
Fresh telemetry
Courcast watches every connected signal to surface the freshest indicators of momentum.
| Source | Metric | Geo | Value | Collected |
|---|---|---|---|---|
| anilist | average score | GLOBAL | 73 | Oct 16, 2026, 12:00 AM |
| anilist | favorites | GLOBAL | 193 | Oct 16, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 4,679 | Oct 16, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | Oct 16, 2026, 12:00 AM |
| crunchyroll | episode count | GLOBAL | 20 | Sep 10, 2026, 12:00 AM |
| crunchyroll | episode dislikes | GLOBAL | 5 | Sep 10, 2026, 12:00 AM |
| crunchyroll | episode likes | GLOBAL | 540 | Sep 10, 2026, 12:00 AM |
| crunchyroll | series available | GLOBAL | 1 | Sep 10, 2026, 12:00 AM |
| filmarks | mark count | JP | 358 | Oct 16, 2026, 12:00 AM |
| filmarks | score mean | JP | 82 | Oct 16, 2026, 12:00 AM |
| google trends | interest daily | GLOBAL | 0 | Oct 14, 2026, 12:00 AM |
| google trends | interest weekly | GLOBAL | 15 | Jul 26, 2026, 12:00 AM |
| kitsu | favorites | GLOBAL | 2 | Oct 16, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 84 | Oct 16, 2026, 12:00 AM |
| kitsu | rating rank | GLOBAL | 8,497 | Jul 21, 2026, 12:00 AM |
| kitsu | score mean | GLOBAL | 66.03 | Jul 21, 2026, 12:00 AM |
| mal | chapters total | GLOBAL | 21 | Aug 27, 2026, 12:00 AM |
| mal | rating | GLOBAL | 7.03 | Aug 27, 2026, 12:00 AM |
| mal | source members | GLOBAL | 1,952 | Aug 27, 2026, 12:00 AM |
| mal | source status code | GLOBAL | 3 | Aug 27, 2026, 12:00 AM |
| mal | volumes total | GLOBAL | 6 | Aug 27, 2026, 12:00 AM |
| mangacodex | bd sales avg | JP | 7,000 | Oct 26, 2026, 12:00 AM |
| mangadex | chapters total | GLOBAL | 21 | Oct 26, 2026, 12:00 AM |
| mangadex | source status code | GLOBAL | 3 | Oct 26, 2026, 12:00 AM |
| mangadex | volumes total | GLOBAL | 6 | Oct 26, 2026, 12:00 AM |
| mangaupdates | bayesian rating | GLOBAL | 6.51 | Oct 26, 2026, 12:00 AM |
| mfc | entry likes | GLOBAL | 55 | Oct 23, 2026, 12:00 AM |
| mfc | figures total | GLOBAL | 46 | Oct 23, 2026, 12:00 AM |
| mfc | goods total | GLOBAL | 1 | Oct 23, 2026, 12:00 AM |
| mfc | media total | GLOBAL | 8 | Oct 23, 2026, 12:00 AM |
| mfc | merch added 30d | GLOBAL | 0 | Oct 23, 2026, 12:00 AM |
| mfc | merch total | GLOBAL | 55 | Oct 23, 2026, 12:00 AM |
| niconico | episode comments | JP | 7 | Oct 16, 2026, 12:00 AM |
| niconico | episode mylists | JP | 23 | Oct 16, 2026, 12:00 AM |
| niconico | episode views | JP | 1,334 | Oct 16, 2026, 12:00 AM |
| comments 7d | GLOBAL | 4,062 | Oct 15, 2026, 12:00 AM | |
| mentions 1d | GLOBAL | 9 | Oct 15, 2026, 12:00 AM | |
| mentions 7d | GLOBAL | 61 | Oct 15, 2026, 12:00 AM | |
| score 7d | GLOBAL | 11,903 | Oct 15, 2026, 12:00 AM | |
| thread count | GLOBAL | 61 | Oct 15, 2026, 12:00 AM | |
| threads 7d | GLOBAL | 61 | Oct 15, 2026, 12:00 AM | |
| shikimori | completion ratio | GLOBAL | 0.33 | Oct 16, 2026, 12:00 AM |
| shikimori | member count | GLOBAL | 11,858 | Oct 16, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 68 | Oct 16, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 0.42 | Oct 15, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 0 | Oct 15, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 13 | Oct 26, 2026, 12:00 AM |