Some dogs are real escape artists. Even the best-trained dog will wander off if you don't keep a sharp eye on it. If a neighbor's dog shows up in your yard, sometimes it's hard to know what to do.

A neighborly pup is going viral for what looks like the sweetest daily routine. In a video shared by ViralHog, a dog is seen showing up at a neighbor’s front door — seemingly to ask if their dog, Gus, ...