Star Trek is an American science fiction media franchise created by Gene Roddenberry in 1966. It began with a television series that followed the adventures of the starship USS Enterprise and its crew, led by Captain James T. Kirk, in the 23rd century. The franchise is built on Roddenberry's vision of a hopeful future where humanity has overcome its internal divisions and joined with other alien civilizations in the United Federation of Planets to explore the galaxy.
The franchise's core philosophy emphasizes exploration, diplomacy, diversity, and the betterment of humanity through cooperation and reason. Star Trek has been noted for its progressive values, including its multiracial cast and its allegorical approach to addressing contemporary social issues through science fiction storytelling. The original series, though cancelled after three seasons, gained a massive following in syndication and became a cultural phenomenon.
Over the decades, Star Trek has expanded into multiple television series, films, novels, comics, and games, becoming one of the most recognizable and influential science fiction franchises in history. The 'Original Timeline' (sometimes called the Prime Timeline) encompasses the continuity established by the original series and carried forward through subsequent series and films set in the same fictional universe.