Mulder and Scully rush to find an on-the-run William while the Cigarette Smoking Man pushes forward with his ultimate plan.

While investigating human organ theft, Mulder and Scully uncover a mysterious cult consumed with macabre rituals.

Mulder and Scully suspect that darker forces are at play as they investigate a brutal animal attack on a little boy in Connecticut.

In a world of ever-increasing automation and artificial intelligence, Mulder and Scully find themselves targets in a deadly game of cat and mouse.

Skinner goes AWOL when his past comes back to haunt him. As Mulder and Scully try to track him down, their growing mistrust of him reaches its apex.

When a pair of teenage girls attack one another, each believing the other to be a monster, Mulder and Scully find that their investigation could possibly lead back to their long-lost son, William.

Exploring the idea of The Mandela Effect, in which large groups of people remember an alternate history, Mulder and Scully find out how the X-Files themselves may really have originated.

Mulder and Scully investigate a case involving several deaths where the victims previously reported encountering their own doppelgangers. The clues lead to a pair of fraternal twins playing a dangerous game telepathically.

A chilling secret is revealed when an old friend reaches out to Mulder and Scully in a seemingly impossible way.

Mulder and Scully learn that they aren't the only ones desperately searching for their long-lost son, William. The very fate of the world may depend on it.

Mulder and Scully uncover a shocking truth with global ramifications.

Mulder questions his faith in the unexplained. He attempts to gather proof of the existence of the new creature he and Scully investigate before jumping to conclusions.

When a scientist suddenly commits suicide, Mulder and Scully investigate what unseen force may have driven him to it. What they uncover is a laboratory where extreme genetic experimentation...

This 2016 pilot reintroduces "The X-Files" and reunites Agent Mulder with Dana Scully after the collapse of their relationship when Mulder is engaged by a TV host. Mulder proclaims new evidence that alien abductions have been faked.