- June 1, 1966 (This strip is used on the page for September 19 of the Dayspring Peanuts A Year's Worth of Smiles and Blessings Desk Calendar)
- June 2, 1966
- June 3, 1966
- June 4, 1966
- June 5, 1966
- June 6, 1966
- June 7, 1966
- June 8, 1966 (The day that Charlie Brown's All-Stars first aired)
- June 9, 1966
- June 10, 1966
- June 11, 1966
- June 12, 1966 (This Sunday strip and the next Sunday strip are adapted in the segment "Snoopy" from The Charlie Brown and Snoopy Show episode "Snoopy: Man's Best Friend". One of several inspirations for the song "Suppertime" from You're a Good Man, Charlie Brown.)
- June 13, 1966 (This strip is adapted in It Was a Short Summer, Charlie Brown)
- June 14, 1966
- June 15, 1966
- June 16, 1966 (This strip is adapted in It Was a Short Summer, Charlie Brown)
- June 17, 1966 (This strip is adapted in It Was a Short Summer, Charlie Brown)
- June 18, 1966
- June 19, 1966
- June 20, 1966
- June 21, 1966
- June 22, 1966
- June 23, 1966
- June 24, 1966
- June 25, 1966 (This strip is adapted in You're a Good Man, Charlie Brown and appears on the cast recording as part of "Peanuts Potpourri")
- June 26, 1966 (This strip is adapted in He's Your Dog, Charlie Brown)
- June 27, 1966
- June 28, 1966
- June 29, 1966
- June 30, 1966