How long does it take to watch all of Ao no 6-gou?

About 2.1 hours for all 4 episodes at 31 min each — one evening; at two episodes a night that is 2 evenings.

Is Ao no 6-gou finished?

Yes, Ao no 6-gou is finished (4 episodes), so you can watch the whole thing at your own pace.

Is Ao no 6-gou good for a group?

Better for two than for a crowd. Ao no 6-gou is tagged drama, psychological, tragedy; it rewards paying attention, which a group rarely does.

Where is Ao no 6-gou listed?

Ao no 6-gou is on AniList (id 1051) and MyAnimeList (id 1051); Queue Up keys it by its AniList id and shows it when it is on either of your lists.

Queue Up — what anime do we watch?Compare two AniList lists →

Anime lists › Best post-apocalyptic anime to watch with a friend

Is Ao no 6-gou good to watch with a friend?

A quiet night. Ao no 6-gou (Blue Six) is a OVA (home-video release) from Fall 1998 by Gonzo K.K.: 4 episodes, about 2.1 hours in total, finished, 6.92/10 across the listing sites.

actionadventuremanga adaptationdramamonstersmechamilitarynudity

Watching it together: a quiet night. Tagged psychological, 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: OVA (home-video release)
Episodes: 4
Episode length: 31 min
Total time: about 2.1 hours — one evening
First aired: Fall 1998
Status: Finished
Studio: Gonzo K.K.
Score: 6.92/10 across the listing sites
Tags: action, adventure, manga adaptation, drama, monsters, mecha, military, nudity, post-apocalyptic, psychological, revenge, robots & AI, sci-fi, seinen, shounen, tragedy, 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: Blue 6; Blue Submarine No. 6; Blue Submarine No.6.

Do you and a friend both want to watch Ao no 6-gou?

Queue Up reads two public AniList lists and shows every anime you both have on Planning — with Ao no 6-gou 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.

More like this: action · adventure · manga adaptation · drama · monsters · mecha · military · post-apocalyptic · psychological · revenge · robots & AI · sci-fi · seinen · shounen · tragedy · war.

Quick answers

How long does it take to watch all of Ao no 6-gou?: About 2.1 hours for all 4 episodes at 31 min each — one evening; at two episodes a night that is 2 evenings.
How many episodes does Ao no 6-gou have?: 4 episodes of 31 min.
Is Ao no 6-gou finished?: Yes, Ao no 6-gou is finished (4 episodes), so you can watch the whole thing at your own pace.
Is Ao no 6-gou good for a group?: Better for two than for a crowd. Ao no 6-gou is tagged drama, psychological, tragedy; it rewards paying attention, which a group rarely does.
Where is Ao no 6-gou listed?: Ao no 6-gou is on AniList (id 1051) and MyAnimeList (id 1051); 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