Ben is close to launching his local food business, while Wiggo and his wife, Claudia, set out in search of the summer's first Arctic cod. Mark joins tourists visiting the world's northernmost ghost town, and Sasha gives an entertaining tour.

Doctor Eckhardt treats three-month-old baby Malte, Professor Chris checks on an avalanche site, and Pastor Leif opens up about his hopes for a family ahead of recording a song with his band of vocalists.

Christine and her lead dog prepare for Svalbard's biggest dog sled race, Wiggo struggles to quit smoking, and Doctor Echhardt explains how his small team has dealt with frostbite, polar bear attacks, and emergency rescues.

Visitors are a big deal in lonely Svalbard. See how the residents react when Christine's sister visits from England, Mary Ann's son travels 1700 kms to save her disastrous kitchen, and an international opera singer arrives from Copenhagen.

Christine and Grace face their biggest test to date as they head to a remote cabin in the wilderness. Ben wrestles to recover after a fire ruins his permaculture business, and Wiggo scares tourists with grizzly tales of death and danger.

After the Arctic's warmest winter ever recorded, the residents of Svalbard are witnessing the effects. Professor Chris's students measure a glacier, Alex takes a tour to a Russian mining settlement, and Lara spends a day cleaning up after 200 dogs.

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.

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.