This fully updated and revised fourth edition of Theory/Theatre is a unique and highly engaging introduction to cultural theory as it relates to theatre and performance. It is a comprehensive and accessible examination of current theoretical approaches, from semiotics and poststructuralism, through to cultural materialism, postcolonial studies, queer and feminist theories.Key updates to the new edition include further perspectives and expanded content on:- Technology, audience reception and liveness- Further examinations of feminism, transgender and gender theory, as well as queer theory- Disability studies- Critical Race Theory- Decolonization- Intersectionality- Critical PhenomenologyBringing contemporary voices and examples to light, author Mark Fortier introduces the ways in which established and emerging theories can interact with theatre and performance.This is essential reading for undergraduate and postgraduate students of theatre and performance studies.