"Young at Heart" is the sixteenth episode of the first season of the American science fiction television series "The X-Files". It premiered on the Fox network on February 11, 1994. It was written by Scott Kaufer and series creator Chris Carter, and directed by Michael Lange. The episode featured guest appearances by Dick Anthony Williams, William B. Davis and Alan Boyce, and saw Jerry Hardin reprise his role as Deep Throat. The episode is a "Monster-of-the-Week" story, unconnected to the series' wider mythology. "Young at Heart" earned a Nielsen household rating of 7.2, being watched by 6.8 million households in its initial broadcast; and received mostly negative reviews from critics.