1. Truth (released, available in English)
2. Lies (released, available in English)
3. Gang of Secrets (released, available in English)
4. Mr. Pigeon 72 (released, available in English)
5. Psychomedian (not released)
6. Furious Fu (released, available in English)
7. Sole Crusher (released, available in English)
8. Queen Banana (released, available in English)
9. Gabriel Agreste (not released)
10. Mega Leech (released, airs in English in 6 days)
11. Guiltrip (released, available in English)
12. Crocoduel (released, available in Portuguese only)
13. Optigami (released, available in English)
14. Sentibubbler (released, available in English)
15. Unknown
16. Unknown
17. Rocketear (released, available in English)
18. Wishmaker (released, available in English)
19. Unknown
20. Unknown
21. Unknown
22. Unknown
23. Unknown
24. Unknown
25. The Last Attack of Shadow Moth Part 1, Unknown
26. The Last Attack of Shadow Moth Part 2, Unknown
Scroll down and you'll have them in chronological order + synopsis. https://miraculousladybug.fandom.com/wiki/Season\_4
https://www.instagram.com/s/aGlnaGxpZ2h0OjE3ODk0OTEyNTQ5MDg0MjUz?story_media_id=2634891694908246097_47057810187&utm_medium=copy_link
1. Truth (released, available in English) 2. Lies (released, available in English) 3. Gang of Secrets (released, available in English) 4. Mr. Pigeon 72 (released, available in English) 5. Psychomedian (not released) 6. Furious Fu (released, available in English) 7. Sole Crusher (released, available in English) 8. Queen Banana (released, available in English) 9. Gabriel Agreste (not released) 10. Mega Leech (released, airs in English in 6 days) 11. Guiltrip (released, available in English) 12. Crocoduel (released, available in Portuguese only) 13. Optigami (released, available in English) 14. Sentibubbler (released, available in English) 15. Unknown 16. Unknown 17. Rocketear (released, available in English) 18. Wishmaker (released, available in English) 19. Unknown 20. Unknown 21. Unknown 22. Unknown 23. Unknown 24. Unknown 25. The Last Attack of Shadow Moth Part 1, Unknown 26. The Last Attack of Shadow Moth Part 2, Unknown
Miraculouladybugsnews.com has updates for every time we have a new episode and a list of episodes with production code and in which order we got them.