For many anime fans, short 12-episode or 24-episode series are perfect for quick binge sessions. But for others, nothing beats the satisfaction of immersing yourself in a long-running series that spans hundreds of episodes. These shows offer deep character development, expansive world-building, and story arcs that evolve over time.
In this blog post, we’re spotlighting 20 iconic anime series that have crossed the 100-episode mark. Whether you’re looking for action, adventure, comedy, or mystery, these anime offer something to sink your teeth into—perfect for long-term viewing.
So, can you name all 20? Let’s find out!
1. One Piece
Episodes: 1000+ (ongoing)
Genre: Adventure, Action, Fantasy
One Piece is the king of long-running anime. With over 1000 episodes and still airing, the journey of Monkey D. Luffy and the Straw Hat Pirates continues to captivate fans globally. The combination of creative world-building, emotional storytelling, and epic battles makes this series a staple for any anime enthusiast.
Why Watch: Immersive world, huge cast, top-tier adventure.
2. Naruto + Naruto Shippuden
Episodes: 220 (Naruto) + 500 (Shippuden) = 720
Genre: Action, Ninja, Coming-of-age
Following the life of Naruto Uzumaki, this series takes viewers on a journey from childhood to Hokage. With memorable characters, incredible battles, and emotional story arcs, Naruto is one of the most beloved franchises of all time.
Why Watch: Powerful emotional arcs, epic fight scenes, iconic rivalries.
3. Dragon Ball Series (Z, GT, Super)
Episodes: Over 600 across all major titles
Genre: Martial Arts, Sci-Fi, Superpowers
Dragon Ball has been a cultural juggernaut for decades. From Goku’s origins in Dragon Ball to his universe-shaking battles in Dragon Ball Super, this series has defined generations.
Why Watch: Legendary transformations, nostalgic appeal, universe-spanning fights.
4. Detective Conan (Case Closed)
Episodes: 1100+ (ongoing)
Genre: Mystery, Detective, Crime
Shinichi Kudo becomes Conan Edogawa after being poisoned and spends the series solving cases while trying to reclaim his old life. A masterclass in episodic mystery storytelling.
Why Watch: Clever cases, long-running narrative threads, charming cast.
5. Gintama
Episodes: 350+
Genre: Comedy, Parody, Action
Gintama blends slapstick comedy with heartfelt drama and intense action. Its ability to shift tone without losing the audience is one of its biggest strengths.
Why Watch: Hilarious writing, unpredictable storytelling, brilliant satire.
6. Fairy Tail
Episodes: 328
Genre: Magic, Adventure, Friendship
This magical guild-based series focuses on Natsu Dragneel and his friends as they take on quests and grow together. Known for its powerful themes of friendship and family.
Why Watch: High emotional stakes, great ensemble cast, colorful magic battles.
7. Bleach
Episodes: 366
Genre: Supernatural, Action, Shonen
Ichigo Kurosaki becomes a Soul Reaper and is thrust into a battle against spirits, hollows, and powerful enemies. The return of the anime with the “Thousand-Year Blood War” arc reignited fan love.
Why Watch: Unique power system, stylish visuals, intense rivalries.
8. Hunter x Hunter (1999 + 2011)
Episodes: 62 (1999), 148 (2011)
Genre: Adventure, Fantasy, Psychological
Follow Gon Freecss as he becomes a Hunter to find his father. A masterpiece of shonen with deep psychological and moral layers.
Why Watch: Exceptional storytelling, strategic battles, emotional maturity.
9. Black Clover
Episodes: 170
Genre: Magic, Rivalry, Action
Asta, a boy born without magic in a world where it’s everything, rises through sheer will and anti-magic swords. A high-energy shonen hit.
Why Watch: Fast-paced action, strong character growth, underdog story.
10. Inuyasha
Episodes: 193 (167 original + 26 Final Act)
Genre: Fantasy, Romance, Historical
Kagome travels back in time and meets the half-demon Inuyasha. The series blends folklore, romance, and epic battles beautifully.
Why Watch: Unique setting, strong romance, gripping adventure.
11. Boruto: Naruto Next Generations
Episodes: 293+ (as of 2023)
Genre: Ninja, Sequel, Sci-Fi
The next generation of ninja steps into the spotlight. Boruto seeks his own path beyond his father’s legacy.
Why Watch: Continuation of the Naruto saga, new threats, modern ninja tech.
12. Pokémon Series
Episodes: 1200+ (across multiple arcs)
Genre: Adventure, Monster Battles, Kids
Ash Ketchum’s journey to become a Pokémon Master has spanned decades, culminating in his final victory. The series now follows new characters.
Why Watch: Nostalgia, evolving battle systems, iconic creatures.
13. Yu-Gi-Oh! Series
Episodes: 800+ across several seasons
Genre: Game, Strategy, Supernatural
Whether it’s Duel Monsters, GX, 5D’s, or newer titles, Yu-Gi-Oh! remains a titan in card-based anime.
Why Watch: Strategic depth, cool monster designs, high-stakes drama.
14. Reborn! (Katekyo Hitman Reborn!)
Episodes: 203
Genre: Action, Comedy, Mafia
Tsuna Sawada transforms from a loser into a mafia boss with help from his baby hitman tutor, Reborn.
Why Watch: Whacky premise, fantastic fights, great character arcs.
15. D.Gray-man + D.Gray-man Hallow
Episodes: 103
Genre: Supernatural, Dark Fantasy
Allen Walker fights Akuma with the Black Order. A mix of Gothic horror, steampunk aesthetics, and compelling characters.
Why Watch: Atmospheric setting, tragic storytelling, powerful visuals.
16. Hajime no Ippo
Episodes: Over 100 across multiple seasons
Genre: Sports, Boxing, Drama
Follow Ippo Makunouchi’s rise through the boxing ranks. This series mixes sports with heart and grit.
Why Watch: Realistic progression, motivational, great rivalries.
17. Slam Dunk
Episodes: 101
Genre: Sports, High School, Comedy
A delinquent joins a basketball team and discovers a passion for the sport. A pioneer of sports anime.
Why Watch: Iconic 90s vibes, strong humor, realistic sports action.
18. Digimon Series
Episodes: 300+ across multiple seasons
Genre: Digital World, Adventure, Sci-Fi
Digital monsters, evolutions, and battles—Digimon remains a fan-favorite alternative to Pokémon.
Why Watch: Emotional storytelling, cool evolutions, childhood nostalgia.
19. Rurouni Kenshin
Episodes: 100
Genre: Samurai, Historical, Action
The wandering swordsman Kenshin Himura seeks redemption while battling enemies from his past.
Why Watch: Strong themes of peace, redemption, and justice.
20. Yu Yu Hakusho
Episodes: 112
Genre: Supernatural, Tournament, Action
Yusuke Urameshi becomes a Spirit Detective and takes on both human and demon threats.
Why Watch: Intense battles, spiritual lore, powerful friendships.
Conclusion
If you’re looking for anime series that offer hundreds of episodes of action, emotion, and unforgettable moments, these 20 shows are must-watches. Long-running anime build their stories slowly, allowing for deep development and rich world-building that short series just can’t match.
So whether you’re a veteran fan or a new viewer looking for your next big binge, these anime are worth your time. How many of these have you seen—and how many more are you ready to start?