- April 1, 1983 (This strip is adapted in The Peanuts Movie)
- April 2, 1983
- April 3, 1983
- April 4, 1983
- April 5, 1983
- April 6, 1983
- April 7, 1983
- April 8, 1983
- April 9, 1983
- April 10, 1983
- April 11, 1983 (Beginning of a storyline which was later adapted as the segment "Linus and the Blanket" of the 1985 The Charlie Brown and Snoopy Show episode "Snoopy's Robot" and in the book My Best Friend, My Blanket)
- April 12, 1983
- April 13, 1983
- April 14, 1983
- April 15, 1983
- April 16, 1983
- April 17, 1983
- April 18, 1983 (Linus opens his clinic)
- April 19, 1983
- April 20, 1983
- April 21, 1983
- April 22, 1983
- April 23, 1983 (Ending of a storyline which was later adapted as the segment "Linus and the Blanket" of the 1985 The Charlie Brown and Snoopy Show episode "Snoopy's Robot" and in the book My Best Friend, My Blanket)
- April 24, 1983
- April 25, 1983
- April 26, 1983 (This strip is adapted in the video game, It's the Big Game, Charlie Brown)
- April 27, 1983
- April 28, 1983
- April 29, 1983
- April 30, 1983
| ← March 1983 | May 1983 → |