- May 1, 1991 (The day that Snoopy's Reunion first aired)
- May 2, 1991
- May 3, 1991
- May 4, 1991
- May 5, 1991
- May 6, 1991
- May 7, 1991
- May 8, 1991
- May 9, 1991
- May 10, 1991
- May 11, 1991
- May 12, 1991
- May 13, 1991 (This strip is used on the page for March 27 of the Dayspring Peanuts A Year's Worth of Smiles and Blessings Desk Calendar)
- May 14, 1991
- May 15, 1991
- May 16, 1991
- May 17, 1991
- May 18, 1991
- May 19, 1991 (This strip is adapted for the end credits of The Peanuts Movie)
- May 20, 1991
- May 21, 1991
- May 22, 1991
- May 23, 1991
- May 24, 1991
- May 25, 1991
- May 26, 1991
- May 27, 1991
- May 28, 1991 (The first appearance of Larry. The character remained unnamed until June 4, 1991)
- May 29, 1991
- May 30, 1991
- May 31, 1991
| ← April 1991 | June 1991 → |