- June 1, 1981
- June 2, 1981
- June 3, 1981
- June 4, 1981
- June 5, 1981 (This strip is adapted in the episode "Autumn Is Here" from the 2014 French TV series Peanuts)
- June 6, 1981
- June 7, 1981
- June 8, 1981
- June 9, 1981
- June 10, 1981
- June 11, 1981
- June 12, 1981
- June 13, 1981
- June 14, 1981
- June 15, 1981
- June 16, 1981
- June 17, 1981
- June 18, 1981
- June 19, 1981
- June 20, 1981
- June 21, 1981
- June 22, 1981 (The first appearance of Joe Richkid)
- June 23, 1981 (Snoopy, who first appeared as The Masked Marvel in February 9, 1967 and last appeared on February 15, 1967, returns.)
- June 24, 1981 (The first appearance of Joe's caddy)
- June 25, 1981
- June 26, 1981
- June 27, 1981
- June 28, 1981
- June 29, 1981 (The final appearance of Snoopy as The Masked Marvel)
- June 30, 1981
← May 1981 | July 1981 → |