- December 1, 1964
- December 2, 1964
- December 3, 1964
- December 4, 1964
- December 5, 1964
- December 6, 1964 (This strip is adapted in It's the Easter Beagle, Charlie Brown)
- December 7, 1964
- December 8, 1964
- December 9, 1964
- December 10, 1964
- December 11, 1964
- December 12, 1964
- December 13, 1964 (This strip is adapted as the segment "I'm New At It" in Peanuts Motion Comics)
- December 14, 1964
- December 15, 1964 (This strip is adapted in You're in Love, Charlie Brown)
- December 16, 1964 (Beethoven's birthday)
- December 17, 1964 (This strip is adapted in You're in Love, Charlie Brown)
- December 18, 1964
- December 19, 1964
- December 20, 1964 (This strip is adapted as the segment "Dear Santa" in Peanuts Motion Comics and in the segment "Yuletide Greetings from Linus" of the 2002 special Charlie Brown's Christmas Tales)
- December 21, 1964
- December 22, 1964
- December 23, 1964
- December 24, 1964 (This strip is adapted in A Charlie Brown Christmas)
- December 25, 1964
- December 26, 1964
- December 27, 1964
- December 28, 1964 (Beginning of a storyline that was later adapted in Happy New Year, Charlie Brown! and in The Peanuts Movie)
- December 29, 1964
- December 30, 1964
- December 31, 1964
