"Shapes" is the nineteenth episode of the first season of the American science fiction television series The X-Files, premiering on the Fox network on April 1, 1994. It was written by Marilyn Osborn and directed by David Nutter. It featured guest appearances by Michael Horse, and Donnelly Rhodes. The episode is a "Monster-of-the-Week" story, a stand-alone plot which is unconnected to the series' wider mythology. "Shapes" earned a Nielsen household rating of 7.6, being watched by 7.2 million households in its initial broadcast; and received mixed reviews, with varied reaction to the episode's handling of the werewolf genre and of its Native American themes.