Michael St. John Smith

The agents (David Duchovny, Gillian Anderson) may have uncovered the Cigarette-Smoking Man's (William B. Davis) true identity.

Clare must learn to communicate with Shaun as they race back to St. Bonaventure Hospital with a donated organ.

The agents investigate a group of anti-government terrorists who are experimenting with biological warfare, and Scully notices a change in Mulder's behaviour.

Ryan (from "Stray") returns and Clark has to save him from Dr. Garner of the Summerholt Research Facility. Meanwhile, Aunt Nell leaves Smallville, and Lex wants to expand the plant but runs afoul of the mayor.

Small-town life is turned upside down for Freya and Ingrid, and an ancient enemy is intent on ending the Beauchamp family line.

In an attempt to protect the rest of the team, Oliver registers for the Vigilante Registration Act; Lois becomes frustrated when Clark continues to brush aside her offers to help the team.