Although International Relations and Middle East Studies share an interest in several aspects of Middle East politics, interdisciplinary research remains surprisingly scarce. This article asks why, despite repeated calls since the inception of these fields, this interdisciplinary gap has never been bridged. It supplements conventional approaches which emphasize a simple intellectual history, with elements of a political economy of the organization and production of knowledge, arguing that while intellectual convergence may be a necessary condition for interdisciplinarity, only a shift in epistemic grounds within which fields understand their scholarship can bring this about, and that this in turn requires a shift in the way knowledge is organized and produced. First, the article provides a genealogy of calls for interdisciplinary scholarship. Second, it locates interdisciplinary relations in the universalist organization of knowledge within which they emerged and which still (re)produce inter- and intra-d...