- October 1, 1983 (The day that the episode "Linus and Lucy" from The Charlie Brown and Snoopy Show first aired)
- October 2, 1983
- October 3, 1983
- October 4, 1983
- October 5, 1983
- October 6, 1983 (This strip is adapted in the episode "Creepy Crawlies" from the 2014 French TV series Peanuts)
- October 7, 1983
- October 8, 1983 (The day that the episode "Lucy vs. the World" from The Charlie Brown and Snoopy Show first aired. This strip is adapted in the episode "Creepy Crawlies" from the 2014 French TV series Peanuts)
- October 9, 1983
- October 10, 1983
- October 11, 1983
- October 12, 1983
- October 13, 1983
- October 14, 1983
- October 15, 1983 (The day that the episode "Linus' Security Blanket" from The Charlie Brown and Snoopy Show first aired)
- October 16, 1983 (Football gag for 1983)
- October 17, 1983 (Spike's cactus first appears. Beginning of a storyline that was later adapted in the book Travels with My Cactus)
- October 18, 1983
- October 19, 1983
- October 20, 1983
- October 21, 1983
- October 22, 1983 (The day that the episode "Snoopy: Man's Best Friend" from The Charlie Brown and Snoopy Show first aired)
- October 23, 1983
- October 24, 1983
- October 25, 1983 (This strip is adapted in I Want a Dog for Christmas, Charlie Brown)
- October 26, 1983
- October 27, 1983
- October 28, 1983
- October 29, 1983 (The day that the episode "Snoopy the Psychiatrist" from The Charlie Brown and Snoopy Show first aired)
- October 30, 1983
- October 31, 1983
| ← September 1983 | November 1983 → |