The Hobbit is the original main title of the film series based on J.R.R. Tolkien's novel, centered on Bilbo Baggins, who is recruited by Gandalf and a company of dwarves to help reclaim the Lonely Mountain and its treasure from the dragon Smaug. The story follows Bilbo's unexpected journey into danger, discovery, and courage, serving as a prequel to The Lord of the Rings. It is the most commonly used master title for the series.