Temporarily expanded boundaries of the self (TEBOTS) proposes underlying motivations for engaging with stories. TEBOTS points out that fundamental human drives for agency, autonomy, and connectedness are imperfectly attainable. As a result, human beings turn to transcendent experiences that offer self-expansion, especially engagement with mediated worlds and the stories and characters they provide. TEBOTS provides unique hypotheses about how the self-concept relates to the selection, processing, and effects of media entertainment. Confirmatory evidence for TEBOTS shows that threats to the self can increase responsiveness to narratives, and that effects are attributable to a boundary expansion mechanism. Recent studies demonstrate that boundary expansion during media use can facilitate positive outgroup perceptions and attitude change. The TEBOTS framework also provides testable propositions regarding the influence of life stressors such as finance, health, and relationships on narrative engagement and enjoyment, carrying potential implications for narrative influence on stressed populations.