- October 1, 1985 ("Pig-Pen" does not appear again until March 8, 1989)
- October 2, 1985 (Peanuts' 35th Anniversary)
- October 3, 1985
- October 4, 1985
- October 5, 1985 (The day that the episode "Peppermint Patty's School Days" from The Charlie Brown and Snoopy Show first aired)
- October 6, 1985
- October 7, 1985
- October 8, 1985
- October 9, 1985
- October 10, 1985
- October 11, 1985
- October 12, 1985 (The day that "Sally's Sweet Babboo", the final episode of The Charlie Brown and Snoopy Show, first aired)
- October 13, 1985
- October 14, 1985
- October 15, 1985
- October 16, 1985
- October 17, 1985
- October 18, 1985
- October 19, 1985 (This strip is adapted in the episode "Leave Me in Peace" from the 2014 French TV series Peanuts)
- October 20, 1985
- October 21, 1985 (Start of the storyline in which Snoopy appears as the Lone Beagle)
- October 22, 1985
- October 23, 1985
- October 24, 1985
- October 25, 1985
- October 26, 1985
- October 27, 1985
- October 28, 1985
- October 29, 1985
- October 30, 1985
- October 31, 1985
| ← September 1985 | November 1985→ |