A science fiction series is a collection of stories that explore imaginative concepts often based on advanced technology, space exploration, time travel, or extraterrestrial life. These series can be presented in various formats, including television shows, movies, or books, and they often challenge our understanding of science and the universe. Many science fiction series, such as Star Trek and The Expanse, create detailed worlds that reflect societal issues and human experiences. They encourage viewers and readers to think critically about the future, ethics, and the potential consequences of scientific advancements.