Peanuts by Charles Schulz for January 12, 1970
Transcript:
Snoopy stands at the playground and thinks, "The head beagle has given me a special assignment . . . Here I am on duty at the school playground."<BR><BR> Snoopy runs and thinks, "Sometimes you'll see a dog being chased off the school playground by the authorities . . ."<BR><BR> Snoopy sits behind a fence.<BR><BR> Snoopy walks and thinks, "So I'm leaving, but actually the school principal does not outrank the head beagle!"<BR><BR>
And that’s how it ended. After all the buildup about the “special assignment”, Schulz just let it drop with no explanation.