Here are some commercials that aired during an episode of Northern Exposure:

1. Ultra Biz Bleach
2. Saturn Automobiles
3. KFC
4. The Flintstones TV trailer
5. Jergens Body Shampoo
6. Milky Way Chocolate Bar
7. CBS Evening News with Dan Rather promo
8. Rescue 911 CBS promo
9. Picket Fences CBS promo
10. Lexus
11. Colgate Tartar Control Toothpaste
12. Burger King
13. 'Northern Exposure' will be right back!
14. Late Show with David Letterman CBS promo
15. Melendez: A Killing in Beverly Hills CBS promo
16. Eye to Eye with Connie Chung CBS promo
17. CBS ID (1994)
18. Dodge Caravan
19. Pepsi's Big Slam (Shaquille O'Neal)
20. WCTV Eyewitness News promo bumper
21. Tonight on WCTV Eyewitness News at 11:00pm... (w/Hot Shot Bug Killer ad)
22. Advil
23. Pontiac Bonneville
24. Taco Bell
25. Kellogg's Corn Pops Cereal
26. Days of Thunder CBS promo
27. 48 Hours CBS promo
28. Eagle Vision
29. D-Day CBS News promo
30. Isuzu Rodeo
31. (same as #11)
32. Northern Exposure end credits
33. Finnegan-Pinchuk/Brand-Falsey Productions/Universal Television (1994)
34. (same as #17)
35. WCTV-TV 6 Thomasville/Tallahassee Station ID (1994)
36. WCTV-TV 6 Eyewitness News at 11:00pm Open (5/23/1994)

A very special thanks goes to Henry Hanson for lending me this video footage!
All credit and courtesy of this content goes to him!