Meet the quirky characters who've chosen to live in one of the most remote and extreme places on the planet, including a taxi driver who's a dead ringer for Santa, an American chef who bakes worm cookies, and a death-defying dogsled team.

Winter comes to Longyearbyen, meaning 24 hours of total darkness and extreme Arctic weather. Witness the aftermath of an unthinkable tragedy, when an avalanche claims the life of the local teacher and a young child during a brutal storm.

Watch Christine put her new dog sledding skills to the test by entering the Hilmar Nois wilderness dog race. Meanwhile, Mary Ann makes a misstep when she hires a new chef, and tour guide Mats is less than thrilled about large polar bear tracks.