World of Tomorrow is an avant-garde animated science fiction short film series written, directed, produced, animated, and edited by Don Hertzfeldt. The series began with World of Tomorrow (2015), which was followed by World of Tomorrow Episode Two: The Burden of Other People's Thoughts (2017) and World of Tomorrow Episode Three: The Absent Destinations of David Prime (2020).

Don Hertzfeldt is an American animator, writer, and independent filmmaker. He is a two-time Academy Award nominee who is best known for the animated films It's Such a Beautiful Day, the World of Tomorrow series, and Rejected. In 2014, his work appeared on The Simpsons. Eight of his short films have competed at the Sundance Film Festival, a festival record. He is also the only filmmaker to have won the Sundance Film Festival's Grand Jury Prize for Short Film twice.