Here are some commercials that aired during the season finale of Friends:

1. Notting Hill TV trailer
2. Yoplait Yogurt
3. Mazda Miatta
4. Sony Digital-8 Handycam
5. Coors Brewing Company
6. ER NBC promo
7. NewsChannel 2
8. ZIMA Beer
9. George Killian's Irish Red Beer
10. WESH NewsChannel 2 at 6:00pm promo
11. NewsChannel 2 at 11:00pm promo bumper
12. GAP Khaki Pants
13. Lawry's Marinades
14. Coors Light Beer
15. Wendy's Cheddar Lovers' Bacon Cheeseburger
16. Wild Wild West TV trailer
17. Mad About You NBC promo
18. Burger King
19. Canon ELPH Camera
20. Pepsi (Star Wars Episode I: The Phantom Menace)
21. Almay Lipstick
22. Sprint
23. CoverGirl Makeup (Brandy)
24. Entrapment TV trailer
25. Nike
26. 1-800-CALL-ATT
27. Pizza Hut/KFC/Taco Bell (Star Wars Episode I: The Phantom Menace)
28. Frasier NBC promo
29. Split-Screen Credits

Video footage courtesy of munichmarvel at archive.org
All credit of this footage goes to him!