Certainly, here's an expanded list of popular anime series in the UK, along with some additional information about a few of them:

1. **Attack on Titan (Shingeki no Kyojin):** A thrilling series set in a world where humanity is on the brink of extinction due to giant humanoid creatures known as Titans.

2. **My Hero Academia (Boku no Hero Academia):** Follows the journey of a young boy with no superpowers in a world where almost everyone has them, as he aspires to become a hero.

3. **One Punch Man:** A humorous take on the superhero genre, Aniwave featuring a hero who can defeat any opponent with a single punch.

4. **Demon Slayer: Kimetsu no Yaiba:** Follows the story of a young boy who becomes a demon slayer to avenge his family and save his demon-turned sister.

5. **Death Note:** A psychological thriller about a high school student who gains the power to kill anyone by writing their name in a supernatural notebook.

6. **Naruto and Naruto Shippuden:** Chronicles the journey of Naruto Uzumaki from an outcast ninja to a hero and leader in his village.

7. **Fullmetal Alchemist: Brotherhood:** An epic tale of two brothers who use alchemy to seek the Philosopher's Stone and restore their bodies after a failed alchemical experiment.

8. **Sword Art Online:** Explores the virtual world of MMO gaming and the adventures of players trapped in a life-or-death game.

9. **Tokyo Ghoul:** Follows a college student's transformation into a flesh-eating ghoul and his struggle to live in a world that fears him.

10. **Dragon Ball Z and Dragon Ball Super:** Iconic series that follow the adventures of Goku and his friends as they protect Earth from powerful foes.

11. **Steins;Gate:** A gripping science fiction series involving time travel experiments and the consequences of altering the past.

12. **Cowboy Bebop:** A space western featuring a group of bounty hunters and their adventures in a futuristic setting.

13. **Neon Genesis Evangelion:** A mecha series with complex characters, exploring the psychological challenges faced by the pilots of giant robots.

14. **Black Clover:** Follows a young boy without magical abilities in a world where magic is everything, as he strives to become the Wizard King.

15. **Fruits Basket:** A heartwarming story about a girl who discovers the secret of a family cursed to transform into animals of the Chinese zodiac.

16. **JoJo's Bizarre Adventure:** A long-running series known for its unique characters and epic battles, following the Joestar family's generations.

17. **One Piece:** The adventures of Monkey D. Luffy and his crew as they search for the ultimate treasure, the One Piece.

18. **Hunter x Hunter:** Follows a young boy on a quest to become a Hunter, Zoro.to a prestigious title that grants access to various secrets and adventures.

19. **Haikyuu!!:** An exhilarating sports anime that showcases the journey of a high school volleyball team aiming for greatness.

20. **Re:Zero - Starting Life in Another World:** A fantasy series where the protagonist experiences death and rebirth in a parallel world.

Please note that the popularity of anime can change over time, and new series are constantly being released. 9anime This list represents a mix of classic and more recent favorites in the UK.