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Here are some of the most watched anime in the USA up until that point:

1. 1. "Naruto" and "Naruto: Shippuden": This long-running series follows the journey of Naruto Uzumaki, a             young ninja with dreams of becoming the strongest ninja and earning the title of Hokage. The series is known for its action-packed scenes and character development.

2. 2. "Dragon Ball" Series (Including "Dragon Ball Z" and "Dragon Ball Super"): "Dragon Ball" has been a staple in the anime community for decades. It features epic battles, strong character arcs, and the enduring journey of Goku and his friends.

3. 3. "Attack on Titan" (Shingeki no Kyojin): This anime gained immense popularity for its intense storyline and unique premise. It's set in a world where humanity must defend itself against giant humanoid creatures known as Titans.

4. 4. "My Hero Academia" (Boku no Hero Academia): This series takes place in a world where individuals possess superpowers known as "Quirks." It follows Izuku Midoriya, a Quirkless boy who aspires to become a hero.

5. 5. "One Piece": Another long-running series, "One Piece" follows Monkey D. Luffy and his crew of pirates as they search for the ultimate treasure, the One Piece. The series is known for its adventurous spirit and diverse cast of characters.

6. 6. "Demon Slayer" (Kimetsu no Yaiba): This anime gained rapid popularity for its breathtaking animation and emotional storytelling. It follows Tanjiro Kamado, a young boy who becomes a demon slayer to avenge his family and save his sister.

7. 7. "Fullmetal Alchemist: Brotherhood": This series is a remake of the original "Fullmetal Alchemist" anime and is known for its well-developed plot, complex characters, and themes of sacrifice and redemption.

8. 8. "Death Note": This psychological thriller revolves around a high school student who gains the power to kill anyone by writing their name in a supernatural notebook. It explores moral dilemmas and the consequences of playing with life and death.

9. 9. "Sword Art Online": This series combines virtual reality gaming with real-world consequences. Players find themselves trapped in a virtual MMORPG, and their lives are at stake if they die in the game.

10. 10 "Cowboy Bebop": This classic anime blends science fiction, noir, and jazz elements. It follows a group of bounty hunters traveling through space in pursuit of criminals.