Is Blood-C good to watch with a friend?
A quiet night. Blood-C (Blood Sea) is a TV series from Summer 2011 by Production I.G., Inc.: 12 episodes, about 4.6 hours in total, finished, 6.5/10 across the listing sites.
Watching it together: a quiet night. Tagged horror, psychological, thriller, tragedy and not comedy: this wants attention and the right mood, not background chatter. Rule: heavy drama or psychological tags without comedy → quiet night.
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
- 23 min
- Total time
- about 4.6 hours — a weekend
- First aired
- Summer 2011
- Status
- Finished
- Studio
- Production I.G., Inc.
- Score
- 6.5/10 across the listing sites
- Tags
- action, urban fantasy, demons, drama, gore, fantasy, school, horror, monsters, mystery, mythology, nudity, psychological, revenge, shounen, supernatural, swordplay, thriller, tragedy, zombie, vampire, violence, youkai
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 Blood-C?
Queue Up reads two public AniList lists and shows every anime you both have on Planning — with Blood-C 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: action · urban fantasy · demons · drama · fantasy · school · horror · monsters · mystery · mythology · psychological · revenge · shounen · supernatural · swordplay · thriller · tragedy · zombie · vampire · youkai.
Quick answers
- How long does it take to watch all of Blood-C?
- About 4.6 hours for all 12 episodes at 23 min each — a weekend; at two episodes a night that is 6 evenings.
- How many episodes does Blood-C have?
- 12 episodes of 23 min.
- Is Blood-C finished?
- Yes, Blood-C is finished (12 episodes), so you can watch the whole thing at your own pace.
- Is Blood-C good for a group?
- Better for two than for a crowd. Blood-C is tagged drama, psychological, tragedy; it rewards paying attention, which a group rarely does.
- Where is Blood-C listed?
- Blood-C is on AniList (id 10490) and MyAnimeList (id 10490); 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