In this article, the author, a lecturer in Temple University's intellectual-heritage program, explains why colleges are teaching undergraduates the wrong Freud. Though the book "Civilization and Its Discontents" (1930), which most professors use, is Freud's most consistent and most convincing attempt to apply psychoanalytic theory to society as a whole, the author argues that the book does not say anything about Freud's most influential ideas--especially his theory of the unconscious that students have already internalized--and does not even explain Freud's impact on today's society. Neither do most of the other texts that professors tend to assign, such as "Totem and Taboo" (1912-13) and "The Ego and the Id" (1923). He contends that introductory courses should focus on Freud's early writings. Several possibilities that professors may follow in teaching the right Freud are presented.