- August 1, 1975
- August 2, 1975
- August 3, 1975 (This strip is adapted in It's Arbor Day, Charlie Brown)
- August 4, 1975 (The first reference to Spike)
- August 5, 1975
- August 6, 1975
- August 7, 1975
- August 8, 1975
- August 9, 1975
- August 10, 1975 (This strip is adapted in It's Arbor Day, Charlie Brown)
- August 11, 1975
- August 12, 1975
- August 13, 1975 (The first appearance of Spike)
- August 14, 1975 (This strip is adapted in I Want a Dog for Christmas, Charlie Brown)
- August 15, 1975
- August 16, 1975 (This strip is adapted in I Want a Dog for Christmas, Charlie Brown)
- August 17, 1975
- August 18, 1975 (This strip is adapted in I Want a Dog for Christmas, Charlie Brown)
- August 19, 1975
- August 20, 1975
- August 21, 1975
- August 22, 1975
- August 23, 1975 (This strip is adapted in I Want a Dog for Christmas, Charlie Brown)
- August 24, 1975
- August 25, 1975
- August 26, 1975
- August 27, 1975
- August 28, 1975
- August 29, 1975
- August 30, 1975
- August 31, 1975
| ← July 1975 | September 1975 → |