pbA cultural history of the enduring relationship between film spectatorship and intoxicating substancesb p ppiMovies under the Influencei charts the entangled histories of moviegoing and mind-altering substances from early cinema through the psychedelic 1970s. Jocelyn Szczepaniak-Gillece examines how the parallel trajectories of these two enduring aspects of American culture, linked by their ability to influence individual and collective consciousness, resulted in them being treated and regulated in similar ways. Rather than looking at representations of drug use within film, she regards cinema and intoxicants as kindred experiences of immersion that have been subject to corresponding forces of ideology and power. pp pp Exploring the effects of intoxicants such as caffeine, nicotine, alcohol, marijuana, and psychedelics on film spectatorship, Szczepaniak-Gillece demonstrates how American movie theaters sought to cultivate a dual identity, presenting themselves as both a place of whole