- May 1, 1972
- May 2, 1972
- May 3, 1972 (This strip is adapted in There's No Time for Love, Charlie Brown)
- May 4, 1972
- May 5, 1972 (This strip is adapted in There's No Time for Love, Charlie Brown and A Charlie Brown Celebration)
- May 6, 1972
- May 7, 1972
- May 8, 1972
- May 9, 1972
- May 10, 1972 (Beginning of a storyline which was adapted as the segment "Linus and Lucy" of the 1983 The Charlie Brown and Snoopy Show episode "Lucy vs. the World")
- May 11, 1972
- May 12, 1972
- May 13, 1972
- May 14, 1972
- May 15, 1972
- May 16, 1972
- May 17, 1972
- May 18, 1972
- May 19, 1972
- May 20, 1972
- May 21, 1972
- May 22, 1972
- May 23, 1972 (Rerun is born. The character would remain unseen until March 26, 1973)
- May 24, 1972
- May 25, 1972 (Ending of a storyline which was adapted as the segment "Linus and Lucy" of the 1983 The Charlie Brown and Snoopy Show episode "Lucy vs. the World")
- May 26, 1972
- May 27, 1972
- May 28, 1972
- May 29, 1972
- May 30, 1972
- May 31, 1972 (Rerun is named)
| ← April 1972 | June 1972 → |