Water is a theme that runs through all forms of popular culture, from books to myths to Hollywood and international films, with a growing number of shorter video pieces posted online at YouTube and similar sites. A surprising number of popular movies, going back almost to the first days of movie-making, have incorporated the issue of water disputes, contamination, conflicts over water rights and allocation, scarcity, and lots of sci-fi apocalyptic futures as central themes. Below is a list of some of these classic (good and bad) films. I first posted this in 2013, updated it in 2015, and this is a new 2020 update. Feel free to send me other suggestions and I’ll update my list!