April 1, 1990
April 2, 1990 (Fred 's first appearance, despite being third in the first panels, and the following arc, the final panel has him swap places with Raymond )
April 3, 1990
April 4, 1990
April 5, 1990
April 6, 1990
April 7, 1990
April 8, 1990
April 9, 1990
April 10, 1990
April 11, 1990
April 12, 1990 (The 100th appearance of Franklin )
April 13, 1990
April 14, 1990
April 15, 1990
April 16, 1990
April 17, 1990
April 18, 1990
April 19, 1990
April 20, 1990
April 21, 1990
April 22, 1990
April 23, 1990 (The eleventh reference to Citizen Kane in the Peanuts comic strip)
April 24, 1990
April 25, 1990
April 26, 1990
April 27, 1990
April 28, 1990 (This strip is adapted in It's Spring Training, Charlie Brown! )
April 29, 1990
April 30, 1990