Is Grand Blue good to watch with a friend?
Easy to drop in. Grand Blue is a TV series from Summer 2018 by Zero-G, Inc.: 12 episodes, about 4.8 hours in total, finished, 8.36/10 across the listing sites.
Watching it together: easy to drop in. Episodic: you can start tonight without a plan, and a missed episode does not ruin it. about 4.8 hours for the run, 6 evenings at two a night. Rule: episodic, slice-of-life, or comedy/action ≤ 26 episodes → easy to drop in.
This verdict comes from rules over the title's format, length and tags, not from a review — the rule that fired is named above.
The facts
- Type
- TV series
- Episodes
- 12
- Episode length
- 24 min
- Total time
- about 4.8 hours — a weekend
- First aired
- Summer 2018
- Status
- Finished
- Studio
- Zero-G, Inc.
- Score
- 8.36/10 across the listing sites
- Tags
- manga adaptation, comedy, ecchi, episodic, iyashikei (healing), idol, nudity, parody, romance, school, seinen, slice of life, sports
Data from anime-offline-database (ODbL) as of 2026-07-04; the score is the median of the scores the anime listing sites give it, on a 1–10 scale.
Do you and a friend both want to watch Grand Blue?
Queue Up reads two public AniList lists and shows every anime you both have on Planning — with Grand Blue flagged if it is one of them — then picks tonight's with a weighted roll or a bracket.
Or open it on AniList or MyAnimeList.
Related anime
More like this: manga adaptation · comedy · iyashikei (healing) · idol · parody · romance · school · seinen · slice of life · sports.
Quick answers
- How long does it take to watch all of Grand Blue?
- About 4.8 hours for all 12 episodes at 24 min each — a weekend; at two episodes a night that is 6 evenings.
- How many episodes does Grand Blue have?
- 12 episodes of 24 min.
- Is Grand Blue finished?
- Yes, Grand Blue is finished (12 episodes), so you can watch the whole thing at your own pace.
- Is Grand Blue good for a group?
- Yes. Grand Blue is tagged comedy, parody, sports, the tags that survive a room full of people talking over the screen.
- Where is Grand Blue listed?
- Grand Blue is on AniList (id 100922) and MyAnimeList (id 37105); Queue Up keys it by its AniList id and shows it when it is on either of your lists.
Queue Up is a free tool: enter two AniList usernames and it ranks the anime you both want to watch, rolls one for tonight, runs a bracket to settle it and finds new anime that fit both of you. List data from AniList; title data: anime-offline-database (ODbL), dataset of 2026-07-04; page updated 2026-07-04. Not affiliated with AniList or MyAnimeList. Queue Up is a Somebody Decide program. How it works · Legal & privacy · All lists