We're halfway through the 2020s, and we've already seen some amazing animations come and go during that time. From record-breaking theatrical releases to highly-anticipated adaptations to surprise hits that no one expected, the 2020s has been a great decade for animation so far, and there are still many more years ahead.
It's been a particularly good decade for shonen animation, with many great series receiving rave reviews and offering some of the best animation we've ever seen. There are so many great figures of modern times that it's difficult to narrow it down to just one from each year. This list only includes animations. series Therefore, there are no popular movies with a following. Demon Slayer: Demon Slayer – Movie: Infinity Castle or Chainsaw Man – Movie: Liz Ark It contains some truly incredible content. With that in mind, these are the best shonen anime of the 2020s each year.
The best seinen anime series of the 2000s
This amazing Seinen animation defined the 2000s.
2020: Jujuhaeseon
One of the biggest animations right now Do a jujutsu It's been going strong for half a year now. Gege Akutami's hit series has inspired game adaptations, various films, and hit anime adaptations. The manga may have ended in 2024, but a sequel is already in place, and MAPPA absolutely killed it with animation. J.J.K. The anime is still as big as it was when it first appeared in 2020.
Ufotable's effort on Demon Slayer is often cited as having the best animation, but I can't sleep on MAPPA's work on Jujutsu Kaisen. The fight scenes are beautiful and the animation is fluid, but overall the series looks incredibly polished. Season 3 is currently airing and is making a strong case for it to be considered the best anime of 2026 by the end of the year.
2021: Demon Slayer: Kimetsu no Yaiba Entertainment District Edition
Demon Slayer has consistently been one of the most beautiful and impressive anime series since it first aired in 2019. Ufotable has not only adapted the Demon Slayer manga through various films along with the anime adaptation, but they've done an incredible job of making the anime itself stand out.
The Entertainment District Arc is filled with amazing moments from the main cast, showing some great growth moments for Tanjiro, Zenitsu, Nezuko, and Inosuke. As expected, it looks amazing, and even five years later it still has some of the best animation you'll see in animation.
2022: Attack on Titan: Final Season Part 2
that attack on titan The anime's ten-year run ended in 2023, with the last of two specials airing in November of that year. However, part 2 will be released in 2022. attack on titan The final season has aired and it has everyone excited to see how things will progress. It is no exaggeration to say that the second part of the final season did not disappoint, delivering some of the most exciting moments of the season.
From the revelation that Eren manipulated Grisha, to learning about Eren's role in his mother's death, to the takeoff of the Rumbling, Part 2 of the final season delivered every episode. The series ending is still debated to this day, but MAPPA hit a home run with their version of the finale.
2023: Freeren: Beyond the End of the Journey
As if it came out of nowhere, Freeren: Beyond the end of the journey is without a doubt one of the most popular modern animes and has a score of 9.28 on MAL, surpassing classic anime such as Fullmetal Alchemist: Brotherhood, steins gate, Hunter x Hunter (2011)And more.
Madhouse's work on the series is amazing. Not only does it look amazing, but Frieren, Fern, Stark, and the rest of the cast have well-developed themes of loss and regret, making it a fun, if heavy, series to keep up with. Add in the incredible soundtrack and it's easy to see why. freeren It has become so loved.
2024: Dan Dan
2024 was the best year for anime, and although there were many other series that could be considered the best shonen of the year. Dan Dan Dan It stands out as a unique experience. Blending supernatural and alien/sci-fi elements, Dan Dan Dan There are two great leads that make the series worth watching, but the supporting cast is also worth the investment.
With Science Saru's amazing animation and sleek visuals, Dan Dan Dan Probably one of the coolest animes of the 2020s. The second season was released in 2025 and was just as good, but fans will have to wait until 2027 to pick up where it left off.
2025: My Hero Academia final season
No one expected My Hero Academia's final season to be this good. Animation has always been a good quality adaptation, but Bones did its best to ensure that its final attempt at adapting Kohei Horikoshi's beloved series was memorable. It's no exaggeration to say that the final season is the best the series has to offer.
Every episode of the final season was beautifully animated, giving fans jaw-dropping moments with stunning visuals and smooth animation. Bones did a great job adapting the final chapter of the comic. It was a perfect transfer that highlighted all the best aspects of animation. 2025 was a good year for shonen series. Solo Leveling, Dr. Stone, Sakamoto Days, Dan Dan Season 2, and Gachiakuta It comes out among other great series. But the last season my hero It stood out from the rest.
Best Seinen Anime Series of the 2010s Every Year
The 2010s were the heyday of seinen animation. It was the best every year.
