The episode focuses on Tokyo in Japan. We look at various aspects of Tokyo, Japan's best-known city, focusing on the birth of its ubiquitous subways, techniques by which the city mitigates its summer heat, and the sub-boss of one of its traditional festival teams.

The episode focuses on school in Japan. We observe how the unique cultural characteristics of Japanese schools, including the use of classroom space and desks, various extracurricular activities, and tasty, healthy school meals, help instill a sense of what is “Japanese.”

A look at the culture and craft behind Japanese rice, including the course of its progress from seedling to table, the secrets behind development of the automatic rice cooker, the crafts that utilize rice straw, and the philosophy of brewing sake.

The episode focuses on the room in Japan. A look at the culture and craft behind Japanese-style living, including a history of the tatami mat, an essential part of the Japanese-style room; the craft of accurate woodworking that goes into the making of sliding doors; and the unity with nature an artisan learns from the making of Japanese washi paper.

The episode "Water" focuses on water in Japan, showing how people use water daily, a product background story of the first canned green tea, a water operation system that provides a stable water supply, and a natural ice maker explains his craft.