This book examines the recurring phenomenon in film and television where two strikingly similar productions are released in close succession. Examples include Armageddon (1998) and Deep Impact (1998), A Bug’s Life (1998) and Antz (1998), and more recently, the 2019 Fyre Festival documentaries and the 2024 Prince Andrew docudramas. Drawing from hundreds of cases, this book explores why these twin productions emerge, the industrial and creative forces that drive them, and how they reflect broader trends in media history. Situating this pattern within the fields of remake, adaptation, and media multiplicities studies, this book provides a comprehensive analysis of this largely understudied yet pervasive phenomenon. Each chapter examines different motivations behind the creation of twin films and TV shows, from economic imperatives and competitive market dynamics to shared cultural anxieties and trends in audience demand. This book presents a meticulous catalogue of examples, demonstrating how genres and themes gain traction simultaneously across different studios and networks. In addition to offering historical insights, this book engages with contemporary debates on media repetition, nostalgia, and Hollywood’s fixation on reproducing familiar narratives. Written by an author with extensive expertise in media studies, this book combines exhaustive research with a clear, accessible style, making it an essential resource for understanding the mechanisms behind content duplication in the entertainment industry. Academically, this book contributes to scholarship in film, television, and media studies by applying an interdisciplinary approach that integrates political science, feminist theory, and cultural analysis. It draws on close readings of films, industry reports, and a dataset of critical reviews to provide fresh perspectives on media production and consumption. As a valuable resource for students and scholars alike, it enriches discussions on screen media, industrial production, and the cultural forces shaping contemporary entertainment.