Peanuts by Charles Schulz for September 19, 1951
Transcript:
Patty sits across from Schroeder showing him a book. She points to the book and asks,"What is this, Schroeder?"<BR><BR> He exclaims,"Kitty!" She replies,"No, it's a picture of a doggie..."<BR><BR> He says,"Doggie!" She exclaims,"That's right...you learn fast!"<BR><BR> She looks up as Schroeder points to a puzzled, passing Snoopy and exclaims,"Kitty!"<BR><BR>
When he said “doggie” he was just repeating her