Our focus today is fugu, or pufferfish. As one of Japan's great winter delicacies, it is eaten as nearly-transparent slices of sashimi, or in umami-packed hot pots. Even in seafood-loving Japan, fugu is a special treat that is among the most expensive fish. It's also known for containing lethal amounts of poison, requiring chefs to obtain a special license in order to prepare it. Dive in to learn more about the various methods devised to provide quality flavor while also ensuring safety. (Reporter: Kyle Card)

Hokkaido Prefecture, Japan's large northern island, is known for its rich nature and great, Oishii food. Its expansive farmlands, about a quarter of Japan's total, yield fresh produce, while its bountiful seas are home to some of Japan's best seafood, including fish, marine plants and more. And don't forget dairy: Hokkaido is Japan's largest producer! Today, we showcase the best of our Hokkaido trails so far.

*This special contains segments from Trails to Tsukiji and Trails to Oishii Tokyo: Corn, Potato, Salmon, Kombu, Cheese