- October 1, 1971
- October 2, 1971
- October 3, 1971
- October 4, 1971 (Marcie, who last appeared on August 7, returns)
- October 5, 1971
- October 6, 1971
- October 7, 1971
- October 8, 1971 (This strip and the following strip are loosely adapted in There's No Time for Love, Charlie Brown)
- October 9, 1971
- October 10, 1971
- October 11, 1971 (Marcie, who first appeared in the strip on July 20, 1971, is named)
- October 12, 1971
- October 13, 1971
- October 14, 1971
- October 15, 1971 (This strip is adapted in There's No Time for Love, Charlie Brown)
- October 16, 1971
- October 17, 1971 (This strip is adapted in the episode "It's Just No Good" from the 2014 French TV series Peanuts)
- October 18, 1971
- October 19, 1971
- October 20, 1971
- October 21, 1971
- October 22, 1971
- October 23, 1971
- October 24, 1971 (This strip is adapted in Snoopy, Come Home)
- October 25, 1971
- October 26, 1971
- October 27, 1971
- October 28, 1971
- October 29, 1971
- October 30, 1971
- October 31, 1971 (This strip is adapted in the song "The Vigil" from Snoopy!!! The Musical)
| ← September 1971 | November 1971 → |