In this chapter, we focus on one of the most central issues within the scholarly literature on political communication: political media effects. We centre our discussion on the role played by the Nordic context for political media effects and focus on media effects on political learning and knowledge gaps; agenda-setting, priming, and framing effects; and media effects on voting and other political behaviours. Because much of the research and theories that have shaped the political communication literature on media effects emanate from the US, we discuss how differences between the American and the Nordic contexts may influence how well the theories of political media effects emanating from an American perspective fit the Nordic countries. We pay particular attention to studies related to the different theories that have been conducted in the Nordic context.