- October 1, 1965 (This strip and the following strip are adapted in Snoopy, Come Home)
- October 2, 1965 (Peanuts' 15th Anniversary)
- October 3, 1965 (This strip is adapted in You're in Love, Charlie Brown)
- October 4, 1965
- October 5, 1965 (This strip is adapted in There's No Time for Love, Charlie Brown and A Charlie Brown Celebration)
- October 6, 1965 (This strip is adapted in Snoopy, Come Home)
- October 7, 1965
- October 8, 1965
- October 9, 1965
- October 10, 1965 (Snoopy first appears as the World War I Flying Ace)
- October 11, 1965
- October 12, 1965
- October 13, 1965
- October 14, 1965
- October 15, 1965
- October 16, 1965
- October 17, 1965 (Football gag for 1965. This strip is adapted in the segment "Football" of the 1983 The Charlie Brown and Snoopy Show episode "Linus' Security Blanket")
- October 18, 1965
- October 19, 1965
- October 20, 1965
- October 21, 1965
- October 22, 1965
- October 23, 1965
- October 24, 1965 (This strip and the second following strip are adapted for It's the Great Pumpkin, Charlie Brown)
- October 25, 1965
- October 26, 1965
- October 27, 1965
- October 28, 1965
- October 29, 1965
- October 30, 1965
- October 31, 1965 (This strip is adapted in It's the Great Pumpkin, Charlie Brown)