All Creatures Great and Small (1978)

S6E11 The Rough and the Smooth

Siegfried can't stop raving about his new personal diary for time management, which frustrates James to no end. James's irritation grows when Siegfried impresses their nemesis, the formidable Mr. Ripley, with his newfound organization. However, Siegfried's cheerful morning takes a turn when he finds himself confronted by Humphrey, an overly enthusiastic Great Dane.