The Hitchhiker's Guide to the Galaxy is a science fiction comedy series written by Douglas Adams. It follows the adventures of Arthur Dent, a hapless human who is swept off Earth just before its destruction to make way for a hyperspace bypass. Arthur embarks on a journey through space with his alien friend Ford Prefect, encountering various bizarre and humorous situations along the way. The series is known for its witty writing, satirical commentary, and imaginative world-building.