The chapter explores the historical evolution of special effects in the film industry, from practical effects to CGI, highlighting the contributions of key figures like Ray Harryhausen and Dick Smith. It discusses the impact of pioneering companies like ILM and Weta on groundbreaking effects in movies and the trend towards practical effects over computer-generated effects. Additionally, it delves into the technical nuances of CGI, motion capture, and advancements in de-aging technology in contemporary films.