The 1970s and 1980s saw the emergence of blockbuster films that revolutionized the entertainment industry. Studios like Steven Spielberg's Amblin Entertainment and George Lucas's Lucasfilm produced iconic films like "Jaws," "E.T. the Extra-Terrestrial," and "Star Wars." These films not only broke box office records but also spawned numerous sequels, merchandise, and theme park attractions. The blockbuster era marked a significant shift in the industry, with studios focusing on high-concept, big-budget films that appealed to a broad audience.