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The Big O cover

Is The Big O good to watch with a friend?

A quiet night. The Big O is a TV series from Fall 1999 by Sunrise: 26 episodes, about 10 hours in total, finished, 7.64/10 across the listing sites.

actionrobots & AIcyberpunkdetectivedystopianepisodicmonstersmecha

Watching it together: a quiet night. Tagged psychological 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
26
Episode length
24 min
Total time
about 10 hours — a weekend
First aired
Fall 1999
Status
Finished
Studio
Sunrise
Score
7.64/10 across the listing sites
Tags
action, robots & AI, cyberpunk, detective, dystopian, episodic, monsters, mecha, mystery, parody, politics, post-apocalyptic, psychological, sci-fi, seinen

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: Big O Roger.

Do you and a friend both want to watch The Big O?

Queue Up reads two public AniList lists and shows every anime you both have on Planning — with The Big O flagged if it is one of them — then picks tonight's with a weighted roll or a bracket.

Do you and a friend both want to watch The Big O?Free, no login — reads public AniList lists.

Or open it on AniList or MyAnimeList.

Related anime

The Big O II
TV series · 13 ep · 2003 · 7.4/10

More like this: action · robots & AI · cyberpunk · detective · dystopian · monsters · mecha · mystery · parody · politics · post-apocalyptic · psychological · sci-fi · seinen.

Quick answers

How long does it take to watch all of The Big O?
About 10 hours for all 26 episodes at 24 min each — a weekend; at two episodes a night that is 13 evenings.
How many episodes does The Big O have?
26 episodes of 24 min.
Is The Big O finished?
Yes, The Big O is finished (26 episodes), so you can watch the whole thing at your own pace.
Is The Big O good for a group?
Better for two than for a crowd. The Big O is tagged psychological; it rewards paying attention, which a group rarely does.
Where is The Big O listed?
The Big O is on AniList (id 567) and MyAnimeList (id 567); 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