10/13/1999 - 03/27/2003 Finished
The Big O (THEビッグオー)
Paradigm City, shrouded in fog and collective amnesia since a disaster 40 years prior, relies on Roger Smith,a suave negotiator and private detective,to navigate its criminal underworld. Alongside his butler Norman and android ally Dorothy, Roger pilots the colossal mecha Big O to pursue justice and uncover what Paradigm City has forgotten.
26
Total episodes
26
Canon episodes
0
Filler episodes
0%
% Filler
Canon episodes · 26 Filler episodes · 0
Related works
Related works and sequels
Standalone work
No sequel, prequel, or registered spin-off is linked to The Big O. Its episode total belongs to this title alone.
What to watch, what to skip
Watch order: filler vs canon
The Big O has no filler episodes: all 26 episodes are canon. You can watch it from first to last without checking any list of skippable episodes.
Episode by episode
Complete guide by season
26 Episodes
| # | Episodes | Aired | Type |
|---|---|---|---|
| 1 | Roger The Negotiator10/13/1999 | 10/13/1999 | Canon |
| 2 | Dorothy Dorothy10/20/1999 | 10/20/1999 | Canon |
| 3 | Electric City10/27/1999 | 10/27/1999 | Canon |
| 4 | Underground Terror11/03/1999 | 11/03/1999 | Canon |
| 5 | Bring Back My Ghost11/10/1999 | 11/10/1999 | Canon |
| 6 | A Legacy of Amadeus11/17/1999 | 11/17/1999 | Canon |
| 7 | The Call from The Past11/24/1999 | 11/24/1999 | Canon |
| 8 | Missing Cat12/01/1999 | 12/01/1999 | Canon |
| 9 | Beck Comes Back12/08/1999 | 12/08/1999 | Canon |
| 10 | Winter Night Phantom12/15/1999 | 12/15/1999 | Canon |
| 11 | Daemonseed01/05/2000 | 01/05/2000 | Canon |
| 12 | Enemy is Another Big!01/12/2000 | 01/12/2000 | Canon |
| 13 | R・D01/19/2000 | 01/19/2000 | Canon |
| 14 | Roger the Wanderer01/02/2003 | 01/02/2003 | Canon |
| 15 | Negotiation with the Dead01/09/2003 | 01/09/2003 | Canon |
| 16 | Day of the Advent01/16/2003 | 01/16/2003 | Canon |
| 17 | Leviathan01/23/2003 | 01/23/2003 | Canon |
| 18 | The Greatest Villain01/30/2003 | 01/30/2003 | Canon |
| 19 | Eyewitness02/06/2003 | 02/06/2003 | Canon |
| 20 | Stripes02/13/2003 | 02/13/2003 | Canon |
| 21 | The Third Big02/20/2003 | 02/20/2003 | Canon |
| 22 | Hydra02/27/2003 | 02/27/2003 | Canon |
| 23 | Twisted Memories03/06/2003 | 03/06/2003 | Canon |
| 24 | The Big Fight!03/13/2003 | 03/13/2003 | Canon |
| 25 | The War of the Paradigm City03/20/2003 | 03/20/2003 | Canon |
| 26 | The Show Must Go On03/27/2003 | 03/27/2003 | Canon |
Verified legal platforms
Where to watch The Big O
All the platforms where you can watch The Big O legally, with direct links to each service.
We don't have confirmed streaming platforms for this anime yet.
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Common questions
Frequently asked questions
How many seasons does The Big O have?
The Big O has a total of 1 season. The series is completed. Each season is divided into multiple episodes with stories that advance the main plot of the anime.
How many episodes does The Big O have?
In total, The Big O has 26 episodes in its only season. You can consult the complete episodes table to see the breakdown by season.
What is the best order to watch The Big O?
It is recommended to watch The Big O in chronological broadcast order. This means starting from season 1 and continuing sequentially to the last season. Check our watch order guide which includes information about filler vs canon episodes for an optimal experience.
Where can I watch The Big O online?
The Big O is available on various legal streaming platforms. Check the platforms section at the top of this page to see where it's currently available. Options may vary depending on your geographic region.
Is The Big O a complete anime?
Yes, The Big O is a completed anime. All seasons have already aired and you can enjoy the series in its entirety without waiting for new episodes.
Where can I see The Big O's score and reviews on MyAnimeList?
You can check the score, reviews, characters and statistics for The Big O directly on MyAnimeList, the world's largest anime database. There you'll find the community rating, global ranking and opinions from other fans.