Here are some commercials that aired during the series finale of M*A*S*H:

1. Tums
2. U-Haul
3. M*A*S*H CBS promo
4. End Credits
5. Warner Bros. Television (1983)
6. CBS ID (1983)
7. Steitz Savings & Loan
8. Fitness America Health Spas
9. Little House on The Prairie syndicated promo bumper
10. CBS Special Presentation (1983)
11. Chevrolet sponsor & commercial
12. Anacin-3
13. Chevrolet Trucks
14. Betty Crocker Super Moist Cake Mix
15. Clean & Clear Cleaner
16. Tank II Automatic Toilet Bowl Cleaner
17. Ringling Bros. and Barnum & Bailey Circus/Happy Endings CBS promos
18. Your Place or Mine CBS promo
19. Honda V65 Magna
20. IBM Datamaster Computer
21. Kraft Miracle-Whip Salad Dressing
22. For Oily Hair Only Shampoo
23. 'M*A*S*H' will continue
24. Wizards & Warriors CBS promo
25. CBS News' NewsBreak (w/Excedrin ad)
26. (same as #6)
27. Showbiz Pizza Place
28. Farmers First Bank
29. Action News 15 at 11:00pm promo bumper
30. M*A*S*H bumper
31. General Motors
32. Ms. Pac-Man for Atari 2600
33. Chameleon Sunglasses
34. Oldsmobile Cutlass Supreme
35. Lee Jeans
36. Honda Ascot
37. Lipton Tea Bags
38. Nationwide Insurance
39. (same as #23)
40. Small & Frye CBS promo
41. Alice CBS promo
42. (same as #6)
43. Hills Department Store
44. Channel 15's Great Moments (The Phillies)
45. Laverne & Shirley & Co. syndicated promo bumper
46. (same as #30)
47. Honda Nighthawk 650
48. Kellogg's Corn Flakes Cereal
49. Glad Sheer Strength Trash Can Liners
50. Oldsmobile Motors
51. (same as #23)
52. Ace Crawford, Private Eye & Gun Shy CBS promos
53. (same as #6)
54. Channel 15 Action News Break (w/Eisenhauer Imported Cars ad)
55. Hamilton Liquid Reserve
56. (same as #9, #30 & #11)
57. Purina's Praise Dog Food
58. Riunite Wine
59. (same as #31 & #11)
60. Dristan Ultra Colds Formula
61. Allstate Insurance Company
62. Miller Genuine High Life Beer
63. (same as #23)
64. The Jazz Singer CBS promo
65. (same as #6)
66. Q106 (WQXA-FM)
67. Bed & Furniture Warehouse
68. (same as #29, #30, #23, #11)
59. Xerox 620 Memory Writer Printer
60. McDonald's (Little Sister)
61. Chevrolet Sponsor
62. M*A*S*H end credits
63. 20th Century Fox Television (1983)
64. CBS' Read More About It
65. CBS Program Change Screen

Video footage courtesy of DavisMix at archive.org
All credits of this footage goes to him!!