The purpose of this paper was to provide a theoretical outline of why critical media literacy (CML) should be included in Korean English education teaching practices and teacher training curricula. CML is a pedagogy designed to sensitize students to ideological meanings embedded in media that socialize people into specific values, beliefs, and behaviors. This paper begins with a review of theoretical foundations of CML including the symbolic nature of human consciousness signification and the processes of socialization, which are theoretically encapsulated within the dialectic among post-structural theories of discourse and representation. A review of literature on CML and its application to English as a foreign language (EFL) is then presented. Applications of CML include situated inquiry, discussion, creation of group multimodal projects suggests, how it fosters the development of critical thinking skills, the acquisition and use of new vocabulary idioms, and transforming student perceptions of themselves and their society.