- February 1, 1990
- February 2, 1990 (The day that the documentary You Don't Look 40, Charlie Brown first aired)
- February 3, 1990
- February 4, 1990
- February 5, 1990
- February 6, 1990
- February 7, 1990
- February 8, 1990 (This strip is adapted in the episode "Being Nice" from the 2014 French TV series Peanuts)
- February 9, 1990
- February 10, 1990
- February 11, 1990 (This strip is adapted in The Peanuts Movie)
- February 12, 1990 (This strip is used on the page for February 5 of the Dayspring Peanuts A Year's Worth of Smiles and Blessings Desk Calendar)
- February 13, 1990
- February 14, 1990
- February 15, 1990
- February 16, 1990
- February 17, 1990
- February 18, 1990 (This strip is adapted for the end credits of The Peanuts Movie)
- February 19, 1990
- February 20, 1990
- February 21, 1990 (This strip is used on the page for September 25 of the Dayspring Peanuts A Year's Worth of Smiles and Blessings Desk Calendar)
- February 22, 1990
- February 23, 1990
- February 24, 1990
- February 25, 1990
- February 26, 1990
- February 27, 1990
- February 28, 1990
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