"Closure" is the eleventh episode of the seventh season of the science fiction television series The X-Files, and the 150th episode overall. It was directed by Kim Manners and written by series creator Chris Carter and Frank Spotnitz. The installment explores the series' overarching mythology and is the conclusion of a two-part episode revolving around the final revelation of what really happened to Fox Mulder's (David Duchovny) sister, Samantha.