Indiana Jones is an American media franchise based on the adventures of Dr. Henry Walton "Indiana" Jones, Jr., a fictional professor of archaeology, that began in 1981 with the film Raiders of the Lost Ark. In 1984, a prequel, The Temple of Doom, was released, and in 1989, a sequel, The Last Crusade. A fourth film followed in 2008, titled The Kingdom of the Crystal Skull. A fifth film, titled The Dial of Destiny, is in production and is scheduled to be released in 2023. The series was created by George Lucas and stars Harrison Ford as Indiana Jones. The first four films were directed by Steven Spielberg, who worked closely with Lucas during their production.