Anime Like The Big O(2026)
Post-The Big O depression? We get it. Here are 10 shows the community actually stands behind for fans of Mystery and Sci-Fi.
Reading manga? Similar manga
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Post-The Big O depression? We get it. Here are 10 shows the community actually stands behind for fans of Mystery and Sci-Fi.
Reading manga? Similar manga

Fifteen years after a cataclysmic event known as the Second Impact, the world faces a new threat: monstrous celestial beings called Angels invade Tokyo-3 one by one. Mankind is unable to defend themselves against the Angels despite utilizing their most advanced munitions and...

Crime is timeless. By the year 2071, humanity has expanded across the galaxy, filling the surface of other planets with settlements like those on Earth. These new societies are plagued by murder, drug use, and theft, and intergalactic outlaws are hunted by a growing number of...

The scene is Steam City, a London-ish city which represents an entire civilization run by coal and steam power. Because of steam, the city is sometimes covered in a mist. Villains take advantage of the steamy mist to hide and execute their evil plans. Only a few dare venture...

In a future to come humanity enjoys a new age of prosperity thanks to Dr. Shizuma's invention of a revolutionary renewable energy source: the Shizuma Drive. But this peace is threatened by Big Fire, a cabal seeking world domination. Against Big Fire the International Police...

In a fairy tale come to life, the clumsy, sweet, and gentle Ahiru seems like an unlikely protagonist. In reality, Ahiru is just as magical as the talking cats and crocodiles that inhabit her town—for Ahiru really is a duck! Transformed by the mysterious Drosselmeyer into a human...

Within the domed city of Romdo lies one of the last human civilizations on Earth. Thousands of years ago, a global ecological catastrophe doomed the planet; now, life outside these domes is virtually impossible. To expedite mankind's recovery, "AutoReivs," humanoid-like robots,...

In a distant future, Earth has become a wasteland and humanity as we know it has died out. All that remains are sentient robots. They were supposed to be able to live forever—until the one called Luna died and the Ruin started. Their bodies will rust, and there is nothing that...

Kurou Daijuuji is a poor detective living in Arkham City. One day, he was requested by Ruri Hado of Hado Financial Group, to search for a magic book. While he initially refused, Ruri offered him a large sum of money upon completion of her request, in which bribed Kuro to accept....

It has been 10 years since Heaven's Gate appeared in South America and Hell's Gate appeared in Japan, veiling the once familiar night sky with an oppressive skyscape. Their purposes unknown, these Gates are spaces in which the very laws of physics are ignored. With the...

Anime based upon the original Argentine graphic novel series of the same name. The story follows the titular character who is a genetically engineered super-soldier; one of the creations of Dr. Von Reichter's diabolic experiments. (The fictional) Von Reichter is actually a...
Fans who liked The Big O tend to recommend Neon Genesis Evangelion, Cowboy Bebop, Steam Detectives the most. If you're into Mystery and Sci-Fi, any of these are a solid pick.
The Big O has a 7.57 on MAL from 108,340 ratings. That's a solid score. Most people who give it a shot end up enjoying it.
Beyond this list, you can dig deeper on MyAnimePulse. Try our browse page to filter by genre, score, and year, or check out our best anime by genre lists.