Top 20 Ongoing Anime Series (Still Airing and Not Finished)

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Ignacio Weil

Entertainment - September 1st 2025, 22:00 GMT+2

Cropped demon slayer — Demon Slayer: Kimetsu no Yaiba

Few anime have captured worldwide attention as quickly as *Demon Slayer: Kimetsu no Yaiba*. From the moment Tanjiro and Nezuko’s tragic story hit the screen, fans were hooked by its emotional depth and jaw-dropping visuals. Ufotable’s animation has become legendary, blending breathtaking fight choreography with painterly backgrounds that feel almost too beautiful to be real. The series isn’t just a spectacle, though – it’s a heartfelt journey about resilience, compassion, and the enduring bond between siblings. Every arc, from the haunting Mugen Train to the explosive Swordsmith Village, raises the bar for what shōnen anime can achieve. With each episode, you feel both the brutality of the demon threat and the warmth of Tanjiro’s unyielding kindness. It’s rare for a show to combine high-stakes action with such sincere humanity, but *Demon Slayer* does it effortlessly, making it a must-watch ongoing series. | © Ufotable

Cropped Jujutsu Kaisen — Jujutsu Kaisen

Dark, stylish, and unrelentingly intense, *Jujutsu Kaisen* has quickly established itself as one of the defining anime of the new generation. The story throws viewers into a world where curses – born from humanity’s negative emotions – lurk in every shadow, threatening to consume both the innocent and the brave. Yuji Itadori’s transformation into a reluctant hero, carrying the king of curses Sukuna within him, keeps the stakes impossibly high. But beyond the gripping battles, the show balances clever humor, heartfelt bonds, and a deep dive into what it really means to protect others. MAPPA delivers jaw-dropping animation that elevates every fight into an event, from Gojo’s Domain Expansion to the tragic clashes of the Shibuya Incident arc. With its mix of horror, heart, and high-octane action, this anime feels like a modern classic still unfolding before our eyes. | © MAPPA

Cropped one piece — One Piece

The unstoppable adventure of *One Piece* continues to chart new horizons, proving that even after more than a thousand episodes, it still has fresh stories to tell. At its core, it’s the timeless tale of Monkey D. Luffy and his dream of becoming the Pirate King, but what makes it remarkable is the sheer imagination poured into every island, character, and battle. Toei Animation has guided the series since 1999, giving fans decades of laughter, tears, and jaw-dropping twists. The current Egghead Arc ventures into uncharted sci-fi territory with futuristic inventions and deep lore reveals, keeping the narrative as unpredictable as ever. Yet amidst the evolving storylines, the heart of *One Piece* never changes – it’s about friendship, freedom, and chasing dreams no matter the odds. Whether you’ve been watching since day one or are just catching up, the adventure still feels as exciting as when it first set sail. | © Toei Animation

Cropped Frieren Beyond Journeys End — Frieren: Beyond Journey’s End

A quiet, contemplative masterpiece, *Frieren: Beyond Journey’s End* stands apart by exploring what happens after the “happily ever after.” The story follows Frieren, an elven mage who outlives her heroic companions and struggles to understand the fleeting lives of humans. Instead of flashy battles or rapid-fire pacing, the anime leans into emotion and atmosphere, painting a bittersweet picture of memory, time, and loss. Madhouse brings this tale to life with soft, dreamlike visuals that make every landscape feel like a painting and every pause carry weight. Yet it’s not only a meditation on mortality – the journey introduces new friendships, magical trials, and moments of humor that balance the melancholy. The result is a show that resonates on a personal level, reminding viewers of the importance of cherishing moments that will one day become memories. It’s fantasy storytelling at its most tender and profound. | © Madhouse

Cropped My Hero Academia — My Hero Academia

Superhero stories are everywhere, but few strike the balance of action and heart quite like *My Hero Academia*. Following Izuku Midoriya’s journey from powerless dreamer to determined hero-in-training, the anime captures the thrill of discovering one’s potential in a world brimming with extraordinary abilities known as Quirks. Bones has masterfully adapted each arc with vibrant animation, ensuring that every showdown feels larger-than-life while still grounded in emotional stakes. The looming final season adds even greater tension, as the battle between heroes and villains escalates toward a historic conclusion. What sets this series apart is how it explores the gray areas of heroism – through characters like Shigaraki and Endeavor – showing that strength alone isn’t what defines a true hero. Inspiring, emotional, and packed with unforgettable moments, *My Hero Academia* remains one of the most impactful ongoing anime series today. | © Bones

Cropped Re Zero Starting Life in Another World anime — Re:Zero − Starting Life in Another World

Subaru’s journey is far from ordinary – each death drags him deeper into a cycle of despair, testing his resilience and cunning. Studio White Fox captures every harrowing reset with intense animation and striking visuals, making the world feel both magical and perilous. The story excels at balancing suspense with emotional depth, giving weight to every choice Subaru makes. Supporting characters like Emilia and Rem provide layers of connection and heart, ensuring that even in moments of extreme tension, the human element shines through. New arcs consistently raise the stakes, introducing sinister villains, mysterious forces, and moral dilemmas that challenge the protagonist and the audience alike. The blend of psychological tension, fantasy intrigue, and moments of levity keeps fans invested week after week. It’s a gripping exploration of hope, despair, and perseverance in a world that refuses to be predictable. | © White Fox

Cropped Chainsaw Man — Chainsaw Man

Blood, chaos, and dark humor collide in a world that never slows down, where Denji’s chaotic life keeps viewers on the edge of their seats. MAPPA’s animation brings every gruesome battle to life, combining shocking visuals with precise choreography that makes each scene unforgettable. Beyond the carnage, the story dives into Denji’s personal desires, fears, and strange sense of morality, adding surprising depth to the madness. Characters like Power and Aki provide both comic relief and emotional resonance, making the narrative feel lived-in despite its over-the-top premise. Each episode pushes boundaries, blending horror, absurdity, and heartfelt moments with expert pacing. The anime’s energy is relentless, and it never lets you forget that in this world, anything can happen at any moment. Fans remain captivated by its unpredictability and sheer audacity. | © MAPPA

Cropped Blue Exorcist — Blue Exorcist

Rin Okumura’s struggle isn’t just against demons – it’s an internal battle to accept who he is and what he can become. The series combines supernatural combat with emotional storytelling, offering both thrilling action and compelling character arcs. Every encounter with foes, allies, and mystical forces expands the rich world of exorcists and demons, keeping viewers engaged with intricate lore. Despite darker themes, moments of humor and camaraderie balance the tension, giving the story warmth and accessibility. The animation captures dynamic battles while highlighting subtle character expressions that convey complex emotions. Themes of identity, responsibility, and personal growth permeate the narrative, ensuring each episode feels meaningful. The ongoing adaptation continues to explore new arcs and challenges, keeping the story fresh while remaining faithful to its roots. | © A-1 Pictures

Cropped Solo Leveling — Solo Leveling

From the moment Sung Jinwoo steps into his first dungeon, the series immerses viewers in a world where strength and strategy define survival. A‑1 Pictures delivers jaw-dropping battles and detailed fantasy environments that make every fight cinematic. Jinwoo’s evolution from timid hunter to unstoppable force is both thrilling and satisfying, as the stakes escalate with each raid and boss encounter. The story balances breathtaking action with moments of reflection and camaraderie, showing the personal cost of power and responsibility. Visual effects, intense combat sequences, and creative monster designs keep fans constantly engaged. With every season, the narrative deepens the world-building, revealing layers of political intrigue, dungeon mysteries, and hidden powers. Its combination of spectacle, character development, and tension makes *Solo Leveling* a must-watch ongoing anime. | © A‑1 Pictures

Cropped Tower of God — Tower of God

Ascending the Tower is as much a test of cunning and resolve as it is of strength, with Bam’s determination at the center of an intricate, ever-evolving world. The anime portrays sprawling landscapes, unique floors, and diverse characters, creating a sense of constant discovery. Each season layers political intrigue, intense rivalries, and mysterious powers, keeping viewers guessing about who can be trusted. Relationships are complicated and often morally ambiguous, making triumphs feel earned and failures sting. Animation captures both intimate character moments and large-scale battles with striking clarity. Themes of ambition, trust, and sacrifice are woven seamlessly into the story, giving depth to the fantasy action. The show’s meticulous pacing and narrative complexity make *Tower of God* a compelling and unpredictable ongoing series. | © Telecom Animation Film

Cropped Dandadan — Dandadan

In a world where the supernatural collides with high school antics, *Dandadan* delivers an energetic mix of comedy, action, and paranormal chaos. Momo and Okarun’s bizarre adventures against ghosts and aliens are equal parts thrilling and absurd, with each episode packed full of surprises. The chemistry between the characters adds a layer of charm, balancing over-the-top battles with relatable humor and heart. Animation brings the supernatural elements vividly to life, creating scenes that are both chaotic and visually stunning. The story constantly escalates, revealing new mysteries and challenging enemies while maintaining its playful tone. With its unique premise, fast-paced storytelling, and inventive fight sequences, *Dandadan* keeps viewers on the edge of their seats. It’s a show that thrives on energy, creativity, and sheer unpredictability, making it impossible to look away. | © Science SARU

Cropped Blue Lock — Blue Lock

Ambition, rivalry, and the pressure to be the best define the world of *Blue Lock*, where soccer becomes a test of both skill and psyche. Yoichi Isagi and his fellow participants navigate a high-stakes program designed to create the ultimate striker, pushing their abilities and limits to the extreme. The series skillfully blends intense gameplay with deep character development, exploring ambition, ego, and personal growth. Each match is animated with dynamic energy, capturing the speed and tension of professional-level competition. The narrative also delves into darker aspects of ambition, showing the cost of success and the intensity of rivalries. With strategic plays, evolving alliances, and high emotional stakes, every episode keeps viewers invested. *Blue Lock* combines psychological drama, thrilling action, and sports strategy into a cohesive, gripping anime. | © Eight Bit

Cropped The Apothecary Diaries — The Apothecary Diaries

Set in an intricately detailed imperial palace, *The Apothecary Diaries* follows Maomao, a former apothecary, as she uncovers secrets and navigates court intrigue. Her intelligence, curiosity, and observation skills make her uniquely capable of solving mysteries that others cannot. The story balances suspense with moments of humor and human connection, while character interactions reveal the complexities of palace life. Every episode expands the richly realized world, bringing the setting and its inhabitants vividly to life. The narrative weaves personal growth, political intrigue, and clever problem-solving into a seamless story. With carefully paced storytelling and layered mysteries, the anime keeps viewers engaged and guessing. Its blend of drama, intelligence, and character-driven storytelling makes it a compelling watch from start to finish. | © Toho Animation Studio

Cropped Kaiju No 8 — Kaiju No. 8

*Kaiju No. 8* thrusts viewers into a world where giant monsters terrorize humanity and one man gains the power to become one himself. Kafka Hibino’s dual existence allows for intense battles while exploring themes of identity, responsibility, and humanity. The series pairs high-octane action with emotional depth, showing the personal costs of power and heroism. The detailed world-building introduces technologies, organizations, and factions dedicated to combating kaiju threats, enhancing the story’s complexity. Character dynamics and growth are integral, as alliances shift and motivations are revealed. Each episode escalates tension, blending thrilling combat with introspection and humor. With dynamic animation and imaginative designs, *Kaiju No. 8* delivers both spectacle and story in equal measure. | © Production I.G

Cropped Bleach Thousand Year Blood War — Bleach: Thousand-Year Blood War

The long-awaited *Bleach: Thousand-Year Blood War* brings Ichigo Kurosaki’s saga to its climactic arc, exploring the full scope of Soul Society and its enemies. The series expands the universe with new allies, formidable villains, and deepening lore, while focusing on character growth and personal stakes. High-intensity battles are matched with emotional moments, showcasing themes of sacrifice, loyalty, and destiny. Animation quality emphasizes fluid combat, detailed designs, and cinematic presentation, making each confrontation thrilling to watch. Strategic storytelling and layered conflicts keep viewers engaged, while emotional arcs add depth beyond the action. With its careful pacing and attention to both spectacle and narrative, the series satisfies both long-time fans and newcomers. | © Studio Pierrot

Cropped Dorohedoro — Dorohedoro

In a dark, twisted city full of sorcerers and strange magic, Caiman hunts for the truth behind his reptilian transformation, facing grotesque enemies and bizarre allies along the way. The series thrives on a blend of grim humor, chaotic action, and imaginative world-building, making every episode unpredictable and gripping. Character interactions range from absurdly funny to brutally intense, giving the story a unique emotional rhythm. The animation captures the gritty, surreal atmosphere perfectly, while maintaining fluid and dynamic fight scenes. Themes of identity, revenge, and friendship are explored amid the carnage, balancing dark fantasy with moments of heart. The plot steadily escalates, revealing new mysteries and deeper layers of the city’s twisted society. With its distinctive tone and relentless creativity, *Dorohedoro* keeps viewers hooked from start to finish. | © MAPPA

Cropped Wind Breaker — Wind Breaker

Street racing isn’t just a hobby in *Wind Breaker –* it’s a way of life, and the stakes are higher than ever for students chasing speed and reputation. The series combines adrenaline-pumping races with character-driven drama, exploring ambition, rivalry, and personal growth. Each episode captures the thrill of high-speed competition while giving insight into the racers’ motivations and backstories. Dynamic animation brings the streets and vehicles to life, making every race visually spectacular. Friendships, rivalries, and alliances shift constantly, adding tension and excitement to the story. Strategic thinking and skillful maneuvers keep the narrative engaging beyond just action. Humor, introspection, and occasional over-the-top moments give the show a balanced, human touch. *Wind Breaker* is a pulse-pounding ride that leaves viewers eager for the next race. | © CloverWorks

Cropped Ranma ½ — Ranma ½

Martial arts, unexpected transformations, and chaotic romance collide in the world of Ranma Saotome, whose curse turns him into a girl whenever he touches cold water. The series expertly blends slapstick comedy with fast-paced fights, giving each episode a lively, unpredictable energy. Supporting characters add even more chaos and humor, creating a cast that’s both memorable and delightfully unhinged. Themes of identity, gender fluidity, and rivalry are explored through comedic situations, giving depth to otherwise outrageous antics. The animation emphasizes fluid martial arts sequences while highlighting exaggerated comedic expressions. Romantic misunderstandings and constant conflicts keep the story entertaining and lighthearted. With inventive storytelling and endlessly funny scenarios, *Ranma ½* remains a timeless classic. | © Studio Deen

Cropped Fairy Tail 100 Years Quest — Fairy Tail: 100 Years Quest

Natsu Dragneel and his guild take on a legendary mission that has remained incomplete for a century, encountering powerful foes and magical mysteries along the way. The series keeps the essence of *Fairy Tail* alive with camaraderie, humor, and epic magic battles. Each member of the guild faces personal challenges, giving the story emotional depth alongside the high-stakes adventure. The animation showcases dazzling magical attacks and dynamic fight choreography, enhancing the sense of spectacle. Themes of friendship, loyalty, and perseverance are woven into each quest, keeping the stakes meaningful. The narrative balances tension, humor, and character moments, ensuring fans remain invested. *Fairy Tail: 100 Years Quest* successfully expands the universe while staying true to its original spirit. | © J.C. Staff

Cropped Gachiakuta — Gachiakuta

Society discards its unwanted members into a dark underworld, and Rudo must survive while discovering his latent powers in this grim and imaginative setting. The series combines dark fantasy, social commentary, and relentless action, creating a high-stakes, immersive experience. Character relationships are complex, and Rudo’s growth is both physical and emotional, driving the story forward. Each episode introduces new threats, moral dilemmas, and mysterious elements that keep viewers engaged. The animation emphasizes tense action sequences and unique character designs, heightening the dystopian atmosphere. Themes of injustice, resilience, and identity are explored in a way that’s both compelling and thought-provoking. *Gachiakuta* stands out for its bold storytelling and relentless energy. | © Bones

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Anime never stops evolving, and every season brings new stories that keep fans hooked week after week. While many legendary shows have already wrapped up, there’s something special about following an anime as it airs – waiting for each episode, speculating about what’s next, and being part of the excitement in real time.

In this list, we’ll dive into the top 20 ongoing anime series that are still airing. Whether you’re looking for fresh recommendations or just want to catch up on the most talked-about titles right now, this guide will help you find your next favorite binge-worthy show. From long-running hits to new releases that are making waves, these are the anime you don’t want to miss.