Aliases
ガラスの地球を救え, Save our mother earth, Chikyuu to no Yakusoku, 地球との約束
SPRING 2018OVA
Part of this franchise
Franchise overview
Franchise timeline
Review every Courcast-tracked season for this series and jump between entries.
Renewal pulse
Courcast score breakdown
CourScore weighs signals for an official sequel announcement within 18 months, blending attention velocity, completion strength, and catalogue health.
CourScore
7.0
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
- Titles like this rarely return - 8 years with no new entry: of OVAs and specials (first entries) in that position, under 1% got a new season or film within 10 years
- Cross-platform audience rating - Weighted audience rating 36.5
- Time since finale - ~102 months since estimated air window ended
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 & Commercial14
Production Feasibility24
Audience Reception6
Strategic Priors25
Fandom Engagement14
CourScore history
CourScore over time
Last analysedOct 28, 2026, 06:25 AM
Next scheduledin 13 hours
Renewal FAQ
Chikyuu to no Yakusoku renewal questions
Common questions about this title's renewal prospects, answered by Courcast's daily analysis.
- Is Chikyuu to no Yakusoku getting a new season?
- According to Courcast's latest analysis, Chikyuu to no Yakusoku has a 7/100 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 Chikyuu to no Yakusoku be renewed?
- Chikyuu to no Yakusoku currently scores 7 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 Chikyuu to no Yakusoku's renewal probability?
- Chikyuu to no Yakusoku's CourScore is 7 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.
Latest signals
Fresh telemetry
Courcast watches every connected signal to surface the freshest indicators of momentum.
| Source | Metric | Geo | Value | Collected |
|---|---|---|---|---|
| anilist | favorites | GLOBAL | 0 | Oct 15, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 46 | Oct 15, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | Oct 15, 2026, 12:00 AM |
| crunchyroll | episode count | GLOBAL | 13 | Sep 24, 2026, 12:00 AM |
| crunchyroll | episode dislikes | GLOBAL | 38 | Sep 24, 2026, 12:00 AM |
| crunchyroll | episode likes | GLOBAL | 720 | Sep 24, 2026, 12:00 AM |
| crunchyroll | series available | GLOBAL | 1 | Sep 24, 2026, 12:00 AM |
| google trends | interest daily | GLOBAL | 0 | Sep 23, 2026, 12:00 AM |
| google trends | interest weekly | GLOBAL | 24 | Sep 13, 2026, 12:00 AM |
| kitsu | favorites | GLOBAL | 1 | Dec 31, 2025, 12:00 AM |
| kitsu | member count | GLOBAL | 42 | Oct 15, 2026, 12:00 AM |
| mal | chapters total | GLOBAL | 181 | Aug 27, 2026, 12:00 AM |
| mal | completed | GLOBAL | 67 | Oct 15, 2026, 12:00 AM |
| mal | members | GLOBAL | 332 | Oct 15, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 133 | Oct 15, 2026, 12:00 AM |
| mal | rating | GLOBAL | 8.14 | Aug 27, 2026, 12:00 AM |
| mal | source members | GLOBAL | 339,267 | Aug 27, 2026, 12:00 AM |
| mal | source status code | GLOBAL | 3 | Aug 27, 2026, 12:00 AM |
| mal | volumes total | GLOBAL | 20 | Aug 27, 2026, 12:00 AM |
| mal | watching | GLOBAL | 19 | Oct 15, 2026, 12:00 AM |
| mangadex | source status code | GLOBAL | 2 | Oct 26, 2026, 12:00 AM |
| mangaupdates | bayesian rating | GLOBAL | 6.37 | Oct 26, 2026, 12:00 AM |
| niconico | episode comments | JP | 7 | Oct 15, 2026, 12:00 AM |
| niconico | episode mylists | JP | 5 | Oct 15, 2026, 12:00 AM |
| niconico | episode views | JP | 1,020 | Oct 15, 2026, 12:00 AM |
| shikimori | member count | GLOBAL | 135 | Oct 15, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 0 | Oct 15, 2026, 12:00 AM |
| simkl | score mean | GLOBAL | 73 | Sep 24, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 4.03 | Jun 23, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 3 | Jun 23, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 21 | Apr 30, 2026, 12:00 AM |
| youtube | channel views total | GLOBAL | 260,870 | Jun 17, 2026, 12:00 AM |
| youtube | subscribers total | GLOBAL | 1,290 | Jun 17, 2026, 12:00 AM |
| youtube | uploads 30d | GLOBAL | 25 | Jun 17, 2026, 12:00 AM |
| youtube | uploads 7d | GLOBAL | 25 | Jun 17, 2026, 12:00 AM |
| youtube | views 30d | GLOBAL | 13,579 | Jun 17, 2026, 12:00 AM |
| youtube | views 7d | GLOBAL | 13,579 | Jun 17, 2026, 12:00 AM |