Darin Morgan wrote some of the greatest X-Files stories put to film ... his hopes were dashed when he learned that she was a clone. The clone Samantha and her clone sisters lost their lives ...

The X-Files had one episode that was especially terrifying, probably because horror master Stephen King wrote it.

There's an X-Files episode for everything. Chris Carter's iconic sci-fi drama, which premiered 30 years ago, on Sept. 10, 1993, experimented with form and genre in a way that pushed the boundaries ...