prequels
/ˈpriːkwəlz/
noun
- A movie, book, or other story that is set before an earlier work in the same series, showing events that led to the original story.
- The author wrote two prequels to her famous novel, describing the war that happened years before.
- Many fans were excited to see prequels that showed the characters' childhoods.
- The new trilogy is a set of prequels that explain how the villain became evil.