The Rise of Skywalker ends a third Star Wars trilogy. Here's why stories work so well in threes
- Written by Stefanie Johnstone, PhD Candiate, University of Technology Sydney

How many Star Wars films did George Lucas plan? According to Dan Golding in his recent book Star Wars After Lucas, this depends on when Lucas was asked.
The often-quoted number is nine, but it might wind up being as many as 12. How ever many he planned, we know he...