The holidays have brought together all the X-Files agents for the very first time! Walter Skinner hosts a get-together for his most special agents, but the festive night turns tense when someone-or something-comes down the chimney! In a second story, the X-Files team of the 1940s-Bing Ellington and Millie Ohio from the Year Zero miniseries-investigate a potential Communist saboteur, but discover an impossible creature-a gremlin!
