19. Alone (2001)

While Scully takes maternity leave, Doggett is partnered with a young agent who is fascinated with the X-Files and has followed Mulder and Scully's careers. She and Doggett investigate the death of an old man and the disappearance of his son, but when they disappear as well Mulder heads out to search for them.

Release date: 2001-05-06