In *Ontological Catastrophe*, Joseph Carew offers a rigorous reconstruction of Slavoj Zizek's engagement with the paradoxes of German Idealism. Focusing on the instability of being, subjectivity, negativity, and the Absolute, the book argues that Zizek's philosophy is best understood not as a commentary on Hegel, Kant, and Schelling, but as a radical reactivation of their metaphysical problems. Carew combines close textual analysis with systematic argument, moving between speculative philosophy, psychoanalysis, and contemporary critical theory. Its style is conceptually demanding yet oriented toward clarification, presenting catastrophe not merely as historical collapse but as an ontological rupture through which reality and subject emerge together. Carew writes from within the renewed scholarly interest in German Idealism and its afterlives in twentieth- and twenty-first-century thought. His study responds to the tendency either to reduce Zizek to political provocation or to treat Hegelian metaphysics as a closed historical episode. By placing Zizek in dialogue with the central figures of Idealism, Carew illuminates the philosophical stakes of Zizek's Lacanian vocabulary and his insistence that contradiction is constitutive rather than accidental. The result reflects a sustained effort to reconcile historical interpretation with speculative reconstruction. This book is recommended to readers seeking a serious account of Zizek's philosophical architecture and to students of Hegel, German Idealism, psychoanalysis, and contemporary ontology. It will be especially valuable to those interested in how metaphysical contradiction can become a resource for rethinking freedom, reality, and political possibility.