"Three Words" is the sixteenth episode of the eighth season of the science fiction television series The X-Files. It first aired in the United States and Canada on April 8, 2001, on Fox. Written by executive producers Chris Carter and Frank Spotnitz, and directed by Tony Wharmby, it explores the series' overarching mythology. It earned a Nielsen rating of 7.6, viewed by 7.77 million households, and received mixed to positive reviews from television critics.

The eighth season of the American science fiction television series The X-Files commenced airing in the United States on November 5, 2000, concluded on May 20, 2001, and consisted of twenty-one episodes. Season eight takes place after Fox Mulder's alien abduction in the seventh season. The story arc for the search of Mulder continues until the second half of the season, while a new arc about Dana Scully's pregnancy is formed. This arc would continue, and end, with the next season. The season explores various themes such as life, death, and belief.