As many others try to find William, Mulder and Scully's lost son, the result could determine the future of the world.
When Mulder and Scully are contacted by an old friend in an unexpected way, they discover a disturbing secret.
Mulder and Scully are led to a pair of twins playing a deadly game telepathically after several killings take place in which the victims are confronted by their doppelgangers.
Mulder and Scully understand how the X-Files may have actually started after learning about the Mandela Effect, in which sizable populations recall an alternative past.
Mulder and Scully have a new lead on their lost son after investigating a case where two girls fight one another, thinking the other is a monster.
As Mulder and Scully track Skinner down after he disappeared, they start having doubts about him after learning about his past.
Mulder and Scully find themselves in a dangerous situation when they face a world of automation and artificial intelligence expansion.
As Mulder and Scully investigate an animal attack on a young kid in Connecticut, they suspect that there are dark forces behind the incident.
Mulder and Scully reveal a disturbing ritual done by a cult after investigating a case of a man found without his organs.
Mulder and Scully try to locate Willian as soon as possible, as Smoking Man moves forward to locate the boy and carry out his plan.