- 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)
- December 21, 1964
- December 22, 1964
- December 23, 1964
- December 24, 1964
- 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
| ← November 1964 | January 1965 → |
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