Peanuts by Charles Schulz for June 29, 1976
Transcript:
Linus stands next to Charlie Brown and asks, "Another letter from Snoopy?" Charlie Brown holds the letter and reads, "Dear Roundheaded Kid, Guess what happened!"<BR><BR> Charlie Brown continues, "I found my sister Belle . . . And what a reunion we're having! Belle is just as beautiful as ever."<BR><BR> Charlie Brown reads, "Unfortunately, I can't say much for her teen-age son."<BR><BR> Snoopy stands in front of Belle and her son.<BR><BR>
This is the first appearance of Belle’s son. Snoopy thought his nephew looks like the Pink Panther.