"9"^^ . . "4-D"@en . "\"4-D\" is the fourth episode of the ninth season and the 186th episode overall of the American science fiction television series The X-Files. The episode first aired in the United States on December 9, 2001 on the Fox network. It was written by Steven Maeda and directed by Tony Wharmby. The episode is a \"monster-of-the-week\" episode, a stand-alone plot which is unconnected to the mythology, or overarching fictional history, of The X-Files."@en . . . . "4"^^ . . "2001-12-09Z"^^ . . .