The past forty years have seen a great many people try to figure out what makes Star Wars work and why it’s the zeitgeist bothering phenomenon that it is – basically what makes it tick. You could argue that most overthink it, ignoring the serendipity that allowed the saga to come together, real-world occurrences that made the film what it was, innocently laying down threads that filmmakers decades later could pick up and run with.

Here Carrie Fisher, in her chat with presenter John Stapleton on UK 70’s early evening must-see viewing Nationwide, explains the very basic ingredients that allowed Star Wars to leap from mid 70’s sci-fi to one of the most culturally important pieces of work of the 20th century and beyond.