the Secret Life of Herbie

At heart, he's a mild mannered, pleasant sort of little man, who asks only for his slippers at bedtime and a biscuit to top off his tank.
However, the trying transition between households has altered his life clock and upset his worldview. His former playpen of the great outdoors is now a threatening Hazardous Front Line upon which he must keep on red alert, translated to: tail between the legs and run to mommy (who's on the other end of the leash).
To help him overcome outdoor people and Other Dog terrors, he gets carried one-way on walks and then let down again to race his way back home.
It is, after all, a useful thing to know the way home when caught out in the wild world.