Norma Jean Wick

When a space shuttle mission is sabotaged, Mulder suspects it may be the work of an evil extraterrestrial spirit that inhabits the body of a former Gemini astronaut.

While investigating mass hysteria in a small town, Mulder and Scully discover that killer cockroaches may actually be extraterrestrial robots.

Mulder questions the sanity of an employee who believes his boss is a literal monster – until Mulder himself begins to perceive the presence of a hideous entity.

The group slides to a parallel dimension where an asteroid is on a collision course with Earth, and Einstein never allowed nuclear weapons to be created. With only 48 hours until "Dooms Day", and 72 hours until the next slide, they work feverishly to recreate Einstein's equation for the atomic bomb.

A vigilante group puts Renee (Jayne Heitmeyer) on trial for opening the original Atavas stasis chamber.