Beforeigners is a Norwegian sci-fi series that takes place in a world where people from the past start appearing in the present. These 'beforeigners' are refugees from different time periods, and their arrival creates both opportunities and challenges for society. The show follows two police officers, one from the Viking Age and one from the 19th century, as they investigate crimes involving beforeigners. With its unique premise and blend of genres, Beforeigners offers a fresh and thought-provoking take on time travel.