Peanuts by Charles Schulz for January 26, 1966
Transcript:
Snoopy looks ove the edge of his doghouse and thinks, "There's a burglar in my house!"<BR><BR> Snoopy thinks, "Oh, why do I live alone? I could have been murdered in my bed! This is awful!"<BR><BR> Snoopy looks over the side and thinks, "How did he get in? Why didn't anyone sound the alarm? What's wrong with the stupid watchdog?"<BR><BR> Snoopy hides and thinks, "I'm the stupid watchdog!"<BR><BR>
Snoopy looks awful cute peaking over his doghouse in that last panel