Captive Audience

 A "captive audience" typically refers to a group of people who are forced to listen to a presentation or speech, often in a workplace setting, where they cannot easily leave. It can also refer to a true crime docuseries titled "Captive Audience: A Real American Horror Story," which explores the 1972 kidnapping of Steven Stayner and its aftermath. https://duckduckgo.com/?q=captive+audience&ia=web&iax=about&assist=true