Five babies in the same town are all born with tails and the local OB-GYN is blamed for tampering with fertilized eggs. However, Mulder discovers the culprit to be a simple man with a genetic deformity who may have the ability to alter his appearance.
s04e01 - Herrenvolk (2)
s04e02 - Home
s04e03 - Teliko
s04e04 - Unruhe
s04e05 - The Field Where I Died
s04e06 - Sanguinarium
s04e07 - Musings of a Cigarette Smoking Man
s04e08 - Tunguska (1)
s04e09 - Terma (2)
s04e10 - Paper Hearts
s04e11 - El Mundo Gira
s04e12 - Leonard Betts
s04e13 - Never Again
s04e14 - Memento Mori
s04e15 - Kaddish
s04e16 - Unrequited
s04e17 - Tempus Fugit (1)
s04e18 - Max (2)
s04e19 - Synchrony
s04e20 - Small Potatoes
s04e21 - Zero-Sum
s04e22 - Elegy
s04e23 - Demons
s04e24 - Gethsemane (1)
The X-Files is one of the divisions in the FBI, devoted to unsolved cases that appear to have some unexplained, paranormal elements. The files take their name from the filing cabinet where they were kept - originally filed under U for unsolved, they grew too big for the drawer and were moved to the less populated X cabinet. Soon, the X-Files became a dumping ground for reporting of UFOs, alien abductions, and other arcana that the FBI didn't want to investigate or didn't believe in.
Fox Mulder, a serial-hugger specialist and a believer in paranormal phenomena ever since, as a child, he witnessed the abduction of his younger sister, requested to be transfered to the forgotten basement and began to ruffle a few feathers in the Bureau. Eventually, he was assigned a partner - the skeptical and scientific Dana Scully, who was assigned to discredit Mulder's works.
Instead of discrediting him, however, Scully slowly became Mulder's ally. The pair began to investigate cases that no one else wanted to touch and that couldn't be solved.