From this article: https://fictionhorizon.com/miraculous-ladybug-watch-order-including-every-movie/

1. Origins Part 1: Ladybug And Cat Noir

2. Origins Part 2: Stoneheart

3. Stormy Weather

4. The Bubbler

5. The Pharaoh

6. Lady Wifi

7. Timebreaker/Chronogirl

8. Mr. Pigeon

9. Evillustrator

10. Rogercop

11. Copycat

12. Dark Cupid

13. Horrificator

14. Darkblade

15. Mr. Mime

16. Kung Food

17. Gamer

18. Animan

19. Antibug

20. The Puppeteer

21. Reflekta

22. Pixelator

23. Guitar Villain

24. Princess Fragrance

25. Simon Says/Jackaday

26. Volpina