A test pilot who may have been flying aircraft made with alien technology disappears, and Mulder and Scully must defy their own government to find the truth.
Mulder and his new partner, Alex Krycek, face a sleep-deprived marine who may possess the ability to kill with his dreams.
Mulder finds himself trapped on a speeding train with a government assassin, a ticking time bomb and a deadly virus.
When Lex's Level 33.1 project comes to fruition, Oliver Queen must bring together several of Clark's "heroic" super-powered allies together: Arthur Curry, Bart Allen, and Victor Stone.
When ghostly images of female victims appear near murder scenes, Mulder and Scully conclude the apparitions may be harbingers of death for those who see them.
