- October 1, 1988
- October 2, 1988
- October 3, 1988
- October 4, 1988
- October 5, 1988
- October 6, 1988
- October 7, 1988
- October 8, 1988
- October 9, 1988
- October 10, 1988
- October 11, 1988
- October 12, 1988
- October 13, 1988 (The first appearance of Raymond)
- October 14, 1988
- October 15, 1988
- October 16, 1988 (This strip is adapted in It's the Pied Piper, Charlie Brown)
- October 17, 1988
- October 18, 1988
- October 19, 1988
- October 20, 1988
- October 21, 1988 (The day that the episode "The Mayflower Voyagers" from This Is America, Charlie Brown first aired)
- October 22, 1988
- October 23, 1988 (Football gag for 1988)
- October 24, 1988 (This strip is adapted for the opening of Why, Charlie Brown, Why? and in the short "Back To School" from the 2014 French TV series Peanuts)
- October 25, 1988
- October 26, 1988
- October 27, 1988
- October 28, 1988 (The day that the episode "The Birth of the Constitution" from This Is America, Charlie Brown first aired)
- October 29, 1988
- October 30, 1988
- October 31, 1988
← September 1988 | November 1988→ |