Is Black Lagoon: Roberta's Blood Trail good to watch with a friend?
A quiet night. Black Lagoon: Roberta's Blood Trail is a OVA (home-video release) from Spring 2010 by Madhouse Inc.: 5 episodes, about 2.8 hours in total, finished, 8.09/10 across the listing sites.
Watching it together: a quiet night. Tagged psychological, thriller 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
- OVA (home-video release)
- Episodes
- 5
- Episode length
- 33 min
- Total time
- about 2.8 hours — one evening
- First aired
- Spring 2010
- Status
- Finished
- Studio
- Madhouse Inc.
- Score
- 8.09/10 across the listing sites
- Tags
- action, adventure, manga adaptation, crime, drama, gore, military, nudity, politics, psychological, revenge, seinen, thriller, violence, war
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. Also listed as: Black Lagoon 3; Black Lagoon OVA.
Do you and a friend both want to watch Black Lagoon: Roberta's Blood Trail?
Queue Up reads two public AniList lists and shows every anime you both have on Planning — with Black Lagoon: Roberta's Blood Trail 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 · adventure · manga adaptation · crime · drama · military · politics · psychological · revenge · seinen · thriller · war.
Quick answers
- How long does it take to watch all of Black Lagoon: Roberta's Blood Trail?
- About 2.8 hours for all 5 episodes at 33 min each — one evening; at two episodes a night that is 3 evenings.
- How many episodes does Black Lagoon: Roberta's Blood Trail have?
- 5 episodes of 33 min.
- Is Black Lagoon: Roberta's Blood Trail finished?
- Yes, Black Lagoon: Roberta's Blood Trail is finished (5 episodes), so you can watch the whole thing at your own pace.
- Is Black Lagoon: Roberta's Blood Trail good for a group?
- Better for two than for a crowd. Black Lagoon: Roberta's Blood Trail is tagged drama, psychological; it rewards paying attention, which a group rarely does.
- Where is Black Lagoon: Roberta's Blood Trail listed?
- Black Lagoon: Roberta's Blood Trail is on AniList (id 4901) and MyAnimeList (id 4901); 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 2026-09-23. Not affiliated with AniList or MyAnimeList. Queue Up is a Somebody Decide program. How it works · Legal & privacy · All lists