Decade Defining: The Top 10 Must-Watch Anime that Shaped the 2020s (and Where to Start for Beginners!)

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Discover the top 10 must-watch anime that have defined the 2020s decade. Dive into captivating plots, character insights, and get beginners’ tips on where to start your anime journey!


Anime continues to reshape genres and capture hearts worldwide. As we navigate through the 2020s, several titles have emerged as defining pieces of this decade, leaving a significant impact on fans both old and new. If you’re a beginner wondering where to start, or a veteran looking for the next big thing, here’s a curated list of the top 10 must-watch anime that have defined this decade!

1. Jujutsu Kaisen

Plot Summary

Jujutsu Kaisen follows Yuji Itadori, a high school student who accidentally consumes a powerful cursed object, leading him to be hunted by curses. He joins a school of sorcerers, enhancing his skills to combat these supernatural threats.

Why Watch?

With its stunning animation and compelling character arcs, Jujutsu Kaisen brilliantly marries thrilling battles with emotional depth.

2. Attack on Titan Final Season

Plot Summary

This final chapter of the epic saga showcases humanity’s last stand against the Titans while exploring heavy themes of freedom, humanity, and morality.

Why Watch?

With high stakes and intricate storytelling, the series builds an emotional connection through its beloved characters like Eren Yeager and Mikasa Ackerman.

3. Demon Slayer: Kimetsu no Yaiba

Plot Summary

Tanjiro Kamado embarks on a perilous journey to save his sister and avenge his family, who were killed by demons. His path leads him to the Demon Slayer Corps, where he trains and fights formidable foes.

Why Watch?

Known for its breathtaking animation and heartwarming story, this anime is a beautiful blend of horror and hope.

4. My Hero Academia (Season 5 and Beyond)

Plot Summary

The story revolves around Izuku Midoriya, a boy born without superpowers in a world full of them. He aims to become a hero through the prestigious U.A. High School.

Why Watch?

With its motivational themes and a diverse cast of characters, My Hero Academia addresses the complexities of heroism in a relatable manner.

5. Tokyo Revengers

Plot Summary

Takemichi Hanagaki discovers he can travel back in time to save his ex-girlfriend and change his fate. As he navigates through gang conflicts, he seeks redemption and a better future.

Why Watch?

Its unique time-travel plot and emotional resonance create a gripping narrative that keeps viewers on the edge of their seats.

6. Beastars

Plot Summary

In a world of anthropomorphic animals, Legoshi, a gray wolf, struggles with his predatory instincts and his feelings for a rabbit named Haru, navigating themes of desire and societal roles.

Why Watch?

Beastars tackles complex themes of identity and societal norms, wrapped in a visually appealing and thought-provoking manner.

7. Vinland Saga

Plot Summary

Set in the Viking era, it follows Thorfinn, a young warrior seeking revenge for his father’s death, but ultimately discovers the true meaning of honor and freedom through his journey.

Why Watch?

Vinland Saga offers a blend of historical events with deep character development, making it a historical epic you won’t forget.

8. Chainsaw Man

Plot Summary

Denji, a young man with a debt-ridden life, merges with his pet devil Pochita to become Chainsaw Man, fighting against devils while yearning for a better life.

Why Watch?

With its mix of dark humor, intense action, and emotional depth, Chainsaw Man is a fresh take on the shonen genre.

9. The Promised Neverland (Season 2)

Plot Summary

The second season brings Emma and her friends further into the world outside Grace Field as they fight to save their friends and uncover dark secrets.

Why Watch?

With its gripping suspense and character evolution, the series maintains tension and raises moral questions about survival and sacrifice.

10. Horimiya

Plot Summary

A slice-of-life romance exploring the relationship between Hori, a high-achieving student, and Miyamura, a shy boy with a hidden tattooed side.

Why Watch?

Horimiya beautifully captures the simplicity and complexity of teenage life and relationships, making it relatable and heartwarming.


Where to Start

If you’re new to anime, start with any of the titles above based on your genre preferences. For action lovers, "Jujutsu Kaisen" and "My Hero Academia" are perfect entry points. If you’re a fan of emotional narratives, "Demon Slayer" and "Attack on Titan" will resonate deeply.


Frequently Asked Questions (FAQ)

1. What makes an anime ‘must-watch’?

An anime is considered a "must-watch" when it presents compelling stories, relatable characters, high-quality animation, and resonates with its audience culturally or personally.

2. How can beginners approach anime without feeling overwhelmed?

Start with popular titles or genres that interest you, watch a few episodes to gauge your interest, and don’t hesitate to explore recommendations. Engage with the anime community for guidance!

3. Are these anime suitable for all ages?

Each anime has its own target demographic, so it’s essential to check age ratings and content warnings to ensure they align with your preferences and age suitability.


Whether you’re just starting your anime journey or you’re a seasoned fan, the 2020s have already delivered some remarkable stories that will continue to resonate for years to come. Happy watching!

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