Grand Blue Dreaming
Just keep swimming
Your rating
Best season rating
8.2
Season 3 (2026)
Worst season rating
8.1
Season 1 (2018)
First to last season
+0.1
S1 8.1 → S3 8.2
Series rating on IMDb
7.9
7.9K votes
Average episode rating per season
Grand Blue Dreaming is remarkably even: every season is rated between 8.1 and 8.2 on IMDb, with season 3 just ahead. It ended on its highest rated season. Its seasons average 8.2, and the series as a whole is rated 7.9 on IMDb, from 7.9K votes.
Season by season
| Season | Aired | Rated episodes | Rating | Change | You | Rating bar |
|---|---|---|---|---|---|---|
| 1Worst | 2018 | 12/12 | 8.1 | |||
| 2 | 2025 | 12/12 | 8.2 | +0.1 | ||
| 3Best | 2026 | 12/12 | 8.2 | ±0.0 |
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