Mitchell Kosterman

A person, who can switch genders, commits murders that seem to have ties to a religious community known as The Kindred.

Mulder reluctantly accepts a new partner, Alex Krycek, and they investigate the deaths of several Green Beret soldiers who participated in a sleep-deprivation experiment during the Vietnam War.

Mulder and Scully investigate the possible return of an executed prisoner who vowed to avenge his death.

Clark is staggered by his new-found ability to see through solid objects with X-ray vision, especially when he witnesses Lex Luthor commit a bank robber; a shapeshifting teenager threatens Lana.

After rescuing Lana from the eye of the storm, Clark discovers it has dropped the spaceship into the fields, burying alive his father and the unscrupulous reporter who discovered his secret.

After a bad cop sees Clark use his superpowers, he is compelled to join forces with the rogue officer to protect his secret identity; an old flame makes an intriguing proposal to Lex.