Hidden Gems: 7 Underrated Anime Series Every Fan Should Watch

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If you’ve been watching anime for a while, you’ve probably already seen the big hitters like Attack on Titan, My Hero Academia, or Jujutsu Kaisen. But the anime world is massive and sometimes, amazing shows fall through the cracks. That’s where underrated anime series come in.

These hidden gems may not trend on Twitter or dominate convention conversations, but they pack just as much heart, action, and story as the big names if not more. So, whether you’re an anime newbie or a long-time otaku looking for something new, here are seven underrated anime series that deserve way more love.


1. Ergo Proxy – A Philosophical Sci-Fi Thriller

Genre: Sci-fi, Psychological, Mystery

Ergo Proxy is often overlooked because of its dense storytelling and moody atmosphere, but that’s exactly what makes it stand out. Set in a dystopian future where humans coexist with androids known as AutoReivs, the story follows Re-L Mayer as she investigates a mysterious virus and uncovers hidden truths about her world.

If you’re into deep themes like identity, consciousness, and the meaning of life (with a little action and suspense sprinkled in), this is a must-watch. It’s the kind of anime that lingers in your mind long after the credits roll.

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2. Barakamon – A Heartwarming Slice of Life

Genre: Slice of Life, Comedy, Drama

Need a break from battles and end-of-the-world plots? Barakamon is a cozy anime about self-discovery, set on a quiet Japanese island. It follows Seishuu Handa, a young calligrapher who’s sent away after a public meltdown. There, he meets a bunch of quirky villagers, especially an energetic little girl named Naru, who slowly helps him reconnect with his art and himself.

This underrated anime series is funny, touching, and perfect for those who enjoy slower-paced stories with a lot of heart.


3. Kaiba – Visually Strange but Emotionally Powerful

Genre: Sci-fi, Drama, Adventure

Kaiba looks like something out of a children’s picture book, but don’t let the cartoonish art fool you this show is deep. In a future where memories can be stored and transferred between bodies, the show explores class division, identity, and love in a way that’s incredibly creative and touching.

It’s only 12 episodes long, but it packs an emotional punch that few anime manage to deliver in double the time. Definitely a standout in the world of underrated anime series.


4. Zankyou no Terror (Terror in Resonance) – A Modern Tragedy

Genre: Psychological, Thriller, Drama

Created by Cowboy Bebop director Shinichiro Watanabe, Zankyou no Terror tells the story of two mysterious teenagers who carry out acts of terrorism in Tokyo. But as the story unfolds, their motivations and tragic pasts paint a much more complicated picture.

With an unforgettable soundtrack by Yoko Kanno and sleek animation, this is a short yet intense series that flies under most fans’ radar.


5. 91 Days – Mafia, Revenge, and a Taste of the 1920s

Genre: Drama, Action, Crime

If you’ve ever wanted an anime version of a mafia revenge movie, 91 Days delivers. Set during Prohibition-era America, it follows Avilio Bruno as he infiltrates a mafia family to avenge his murdered family. The series has a unique Western aesthetic, gripping storytelling, and just enough twists to keep you guessing.

It’s criminal (pun intended) how little attention this anime gets.


6. Haibane Renmei – Quiet, Beautiful, and Poetic

Genre: Slice of Life, Fantasy, Mystery

Haibane Renmei is one of those underrated anime series that hits differently. It’s quiet, slow, and almost meditative. The story revolves around a group of angel-like beings living in a mysterious walled town, focusing especially on Rakka, a new arrival trying to understand her purpose.

With themes of guilt, redemption, and finding peace, it’s not a typical fantasy show it’s more like an emotional journey wrapped in dreamlike visuals.


7. The Great Pretender – Stylish Heist With Heart

Genre: Action, Comedy, Crime

Last but not least, The Great Pretender is for fans of slick con artist stories like Ocean’s Eleven. This Netflix original follows Makoto Edamura, a “gentleman thief” who teams up with international swindlers to scam the world’s worst criminals.

Beyond its flashy art style and fast-paced heists, it dives into the backstories of each character, making it more than just surface-level fun. If you’re into clever schemes and strong character development, give this one a go.


Why These Underrated Anime Series Matter

The world of anime is vast, and it’s easy to get caught up in what’s trending. But some of the most meaningful, unique, and creatively ambitious series fly under the radar. These underrated anime series prove that popularity isn’t always the best indicator of quality.

Whether you’re in the mood for a tearjerker, a mystery, a slice-of-life breather, or something philosophically mind-blowing, chances are there’s a hidden gem just waiting for you to hit “play.”


Final Thoughts

There’s no shame in loving mainstream hits, but every anime fan should take the time to explore beyond the top charts. The underrated anime series on this list are perfect examples of how much incredible content is out there waiting for someone like you to discover it.

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