September 14, 1966 (This strip is used on the page for May 14 of the Dayspring Peanuts: A Year's Worth of Smiles and Blessings Desk Calendar)
September 15, 1966
September 16, 1966
September 17, 1966
September 18, 1966 (A rare instance of an adult being given a speech bubble in a 1960s strip)
September 19, 1966 (Beginning of a storyline in which Snoopy's doghouse burns down, this is also the third time it was destroyed. It was destroyed for the first time on July 26, 1959 and for the second time on February 13, 1960, Charles Schulz made this comic to express his feelings after his Sebastopol studio burned down. The storyline was later adapted into the filmstrip "We All Have Special Skills, Charlie Brown.")
September 20, 1966
September 21, 1966
September 22, 1966
September 23, 1966
September 24, 1966
September 25, 1966 (Football gag for 1966; the last football gag to use the Peanuts logo without the tagline "featuring Good Ol' Charlie Brown")