The Big O

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Alternative Titles

Synonyms: Big O Roger, Big O
Japanese: THEビッグオー
English: The Big O
More titles

Information

Type: TV
Episodes: 26
Status: Finished Airing
Aired: Oct 13, 1999 to Mar 27, 2003
Premiered: Fall 1999
Broadcast: Unknown
Producers: Bandai Visual
Studios: Sunrise
Source: Original
Genres: ActionAction, MysteryMystery, Sci-FiSci-Fi
Themes: Adult CastAdult Cast, MechaMecha, PsychologicalPsychological
Duration: 24 min. per ep.
Rating: PG-13 - Teens 13 or older

Statistics

Score: 7.551 (scored by 3851638,516 users)
1 indicates a weighted score.
Ranked: #17872
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #2118
Members: 97,448
Favorites: 974

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Preliminary Spoiler
Jul 15, 2017
If you are an anime fan who has been searching for a show that combines giant mecha action anime with all the cool film noir tropes of a classic P.I. story, than look no further than the Big O. When this show was first described to me I thought that there was no way you could combine two genres that could not be more opposite. But somehow, this show manages to combine theme beautifully. The characters are cool, the dialogue is sharp, the setting is incredibly interesting, the main character is basically Batman if he were a private eye and had a giant robot, the ...
Jan 20, 2014
Another solid block of nostalgia, I didn't get around to finishing "The Big O" until many years after the show had run its course. Certainly trope-ridden and unashamedly inspired by many outside elements, the art, characters, and ending certainly stand above mediocrity.

Paradigm City, a place where forty years ago, everyone lost their memories. My name is Roger Smith, and I'm a negotiator..
Accompanied by a soft piano and saxophone, our main character takes center stage. Smooth talking Smith, accompanied by his mercurial butler, sarcastic android Dorothy and backed up by the ubiquitous "Megaduece" Big O takes on Paradigms dark side, composed of criminals, ...
Jun 3, 2016
Many years ago watching the programing block adult swim I, like many others came across the Big O for the first time. I don’t know what it was that drew me to the show, could have been the music, the action, or the cast of characters. I may never know why I was so drawn to the Big O all those years ago but upon watching the show a couple of times since then ,I can see why it has become one of my favorite anime. Directed by Kazuyoshi Katayama, The Big O is a 1999 produced by sunrise entertainment also known for the ...
Apr 26, 2017
I'm baffled by the low reviews on MAL for The Big O. To this day I find it to be one of the most beautiful animated series of all time.

I don't think it deserves a 10 due to a few production errs. For instance, a few of the villains were designed a bit cheaply, and clearly there are differences in production quality across certain scenes. While I understand the complaints made about the final episodes of each season, I personally liked the endings to both seasons. Also, the intro theme song is TOO similar to Queen's Flash Gordon, and seems out of place (but still ...
Feb 17, 2024
The Big O remains as one of the most underrated anime’s of all time, incorporating the pros of the East and the West to create something truly magnificent. A grandiose, retro mecha-tale with one of the most unique and interesting worlds seen in anime. A high recommendation for fans of the golden age of mecha anime, following in the footsteps of Hideaki Anno’s Neon Genesis Evangelion. As my last rewatch of 2024, I can happily say The Big O has moved up exponentially on my list of the finest anime’s of all time, with my current second viewing coming 2 years after my initial discovery ...
Apr 7, 2021
Preliminary (13/26 eps)
You may see me review this show and its score of ten, you may call it a bias: you'd be right. For you see, I'm not reviewing the show as a whole, meaning I'm not reviewing at all the twenty-six episodes, I'm reviewing the thirteen original episodes, all of which and in their own right are excellent themselves.
The OST, the animation, the world, the character's design and complex personalities, the english VA (because, in this reviewer's fuckdup mind, this is how the show is meant to be seen), everything is outstanding.
The selfawareness and sillyness of a mecha batman vs the complex and constantly moving plot ...
Mar 6, 2018
Big O is genuinely one of my favorite anime of all time. It's an enjoyable noir mystery with mechs and compelling characters that make the entire thing feel solid and well thought out.

The animation is very of-the-time but clean and nice to look at (especially in the blu-ray release, which I absolutely bought the moment that I could). The art style is more on the simple side for the characters themselves, but really shines when it comes to the mechs like Big O itself.

DO NOT go into this anime expecting a full on mecha anime. That's not what it is and not what ...
Mar 18, 2021
The Big O, where the O stands for organic. Not really, but if there is a single word that does help to characterise The Big O, organic would be a good contender. Compared to plenty of other anime out there, particular those that feature giant robots and far-off sci-fi settings, many of them can struggle to feel organic, and for the most part, such shows are typically impersonal, with the characters not being of much interest, and the large setpieces are their only selling point. The Big O is a rare case of a show that has both a good setting, and good characters.

On the ...
Mar 8, 2022
The Big O is what you get if Batman TAS was written by the guy who did Serial Experiments Lain. From a modern day perspective looking at this in the present day, it's not too dissimilar to what happened when Madoka exploded in popularity a decade ago: i.e. You get a lot of shows either trying to capitalize on its success, or more generously speaking you have creators willing to explore more adult themes through a genre that has otherwise generally been associated with children's entertainment. After Evangelion became a household name, so too did many mecha shows began to incorporate more mature themes ...
May 4, 2021
Mixed Feelings
Overview:
"The Big O" is probably one of the earliest examples of an anime drawing inspiration from Western media, in this case the immensely popular "Batman" franchise. The results are mixed- while the Western influences are definitely there, the overall style of the series is still undeniably Eastern, which works both for and against it in different ways, with a frequently confusing story, dated art and somewhat underdeveloped characters. While there is a good experience to be had here, I would personally think twice before expecting anything better than that.

Story (6.5/10):
The series is set in the fictional Paradigm City, also known as the "City of ...
May 22, 2015
PART ONE
EPISODES 1-13

The first anime review I ever wrote was written four years ago and focused on The Big O. Needless to say you don’t see it on this site because it was a terribly written piece of crap comprised of two hundred words, one hundred of which laughed at the fact the robots in the series are called “Mega Deuces”. Get it? Like big poops.

God I was a stupid sixteen year old.

As this is the beginning of a series of reviews focusing on anime that I’ve neglected to critique for this site, I found it only fitting to rectify my getting rid of my ...
May 18, 2014
I might be scoring in a very bias way, but this was one of my favorite shows growing up as a kid. Whenever it came on, on adult swim, I would stay up for hours just to watch this show and all of it's re-runs while I was in elementary school. It was one of the most complex and entertaining, yet simple shows I ever watched. The character development was just so nice and the transitions of each episode just got you always craving more because they would leave you with so little yet so much information. My favorite thing about it is that they ...
Jan 31, 2010
Preliminary (12/26 eps)
Think of Big-O like an episode of Batman the animated series only diffrence is there's no main villian & Bruce Wyane does'nt have a giant robot the art style of Big-o & Batman are very hand & hand there's very little diffrence, & the simularites are great Norman being Alfred the dependiple butler at any coast, Roger is Bruce the millionaire &man with plenty of free time, & Dorethy Barbara the girl living with Bruce helping when needed just not related to the butler & Barbara wasn't an android, the way the city & people are portrayed is greatly the same city in ruins & ...
Jul 28, 2013
Rae
Art: The first thing I noticed was the the unique art style. It may look dated to some viewers, but I was a fan of the film noir-themed art direction. Many of the character designs reminded me of Western cartoons I had grown up with and I didn't mind the subdued colors.

OST: It was fair and suited the majority of the show's episodes. I like instrumental or orchestra music so I may be biased. Although, I didn't find the OP/ED to be all that memorable.

Characters: Roger Smith started the series as the enigmatic Negotiator and ends the series on a similar note. ...
Jun 12, 2023
Mixed Feelings
The Big O starts out a stylish, oddball fusion of hardboiled detective fiction and tokusatsu style superheroics, but gradually evolves into something altogether weirder and more existential. It is partially successful in this.

First, the positives. The Big O aims to capture a very particular vibe, and succeeds. It's got interesting shot composition, a distinct visual style, and an achingly cool soundtrack of mostly jazz and funk. Most of the episodes consist of Roger looking into some case on behalf of a client, occasionally aided by an arsenal of gadgets, before a climax where he gets into the Big O and fights another giant robot in ...
Jan 15, 2023
The Big O is probably my favorite Mecha ever, and definitely a true classic in general. Imagine if Batman piloted a giant mecha in Gotham City. Only in this city, humans and androids live together side by side, and everyone, (humans and androids), has lost their memory from all events further back than 40 years ago, when some horrific cataclysm happened. The world of Big O has a very Art Deco, retro noir feel to it. People use rotary phones, but they also have a kind of ray-punk
esque, technology with vacuum tubes, computers with lots of wires and typewriter like keys, and retro-looking ...
May 6, 2021
What is The Big O? Is is a episodic robot action show featuring villains and monsters alike? Is it a show contemplating the effects on a population if their memories were completely wiped? Is it a take on the view of God and how humans are just puppets part of a grand play? Or is it about the intense fear and disgust of tomatoes? If you answered yes to all of the questions, you would be correct. Who would have thought a show that on the surface looks and feels like a homage to batman, could be actually about many other deeper topics; like if ...
May 26, 2022
I typically never write reviews, but I came across this precise anime after a couple of months of not watching any shows. I was able to finish watching season 1 within two days, and I was intrigued the whole time. I am neither a big fan of Mecha anime for some reason, but I couldn't help but love this one. It included everything I typically want in an anime: great characters, soundtrack, and action. The ending left me a bit puzzled, but again there is a season 2, and I am sure my confusion will be cleared after watching the second part!! I definitely recommend ...
Dec 10, 2022
a true noir, and tonally perfect in that regard (think "the third man"). not super concerned with answering questions, just drip feeding you atmosphere and little mysterious tidbits as it drags you along. also shockingly funny. dorothy and roger make a great pair, and their rapport/potential romance only gets better as the series progresses.

the ending is apparently controversial, but i thought that (without spoiling anything) it couldn't have finished any other way. the final episode is really a reflection on how you the viewer are *supposed* to watch the big o. it's no secret that a lot of "mystery" television relies more on speculation ...
Jul 14, 2023
The Big O is truly a unique masterpiece of storytelling and art. Its such a big twist for an ending that left the watcher with a grim and upsetting, yet calming feeling. It leaves no answers, it leaves it entirely up to the ready to decide, but its not hard to determine what the ending means truly.

The thing about this anime is, i feel as if there was a different ending planned when it was originally made versus when it actually ends. Theres so many questions left unanswered, and that is truly upsetting. But even still, the ending we're given is just as good, ...