Both the Oxford English Dictionary and Cambridge University Press date the first written occurrence of the exact phrase "spoiler alert" to a 1982 Usenet post . The post was part of a discussion regarding the Star Trek film The Wrath of Khan .
The phrase "" serves as a ubiquitous courtesy warning used across social media, entertainment news, and personal conversations. Its primary purpose is to signal that significant plot developments or surprise twists about a movie, book, or video game are about to be revealed, allowing the audience to stop reading or listening if they wish to discover the story naturally. The Evolution of the Term Spoiler AlertHD
While the concept of "spoiling" an ending has existed for decades, the specific terminology evolved through fan culture: Both the Oxford English Dictionary and Cambridge University
