- October 1, 1978: (Garfield sings on the fence for the first time.)
- October 2, 1978:
- October 3, 1978:
- October 4, 1978:
- October 5, 1978:
- October 6, 1978: (This strip is animated in Garfield on the Town with the exception of some dialogue.)
- October 7, 1978: (This strip is animated in Here Comes Garfield.)
- October 8, 1978:
- October 9, 1978:
- October 10, 1978:
- October 11, 1978:
- October 12, 1978: (Garfield encounters a fern for the first time.)
- October 13, 1978:
- October 14, 1978:
- October 15, 1978:
- October 16, 1978: (Published only in the Chicago Sun-Times.)
- October 16, 1978: (The start of a storyline about Jon planning to declaw Garfield for the first time.)
- October 17, 1978:
- October 18, 1978:
- October 19, 1978:
- October 20, 1978:
- October 21, 1978: (The end of a storyline about Jon planning to declaw Garfield.)
- October 22, 1978:
- October 23, 1978: (The first appearance of Pooky and the start of a storyline about Garfield finding him.)
- October 24, 1978:
- October 25, 1978:
- October 26, 1978:
- October 27, 1978: (The end of a storyline about Garfield finding Pooky.)
- October 28, 1978:
- October 29, 1978: (The first Halloween special.)
- October 30, 1978:
- October 31, 1978:
| ← Garfield, September 1978 | Garfield, November 1978 → |