Mitchell Kosterman

An edgy janitor takes Clark's high-school class hostage at LuthorCorp, claiming his jitters were caused by a mysterious contaminant.

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

A lightning strike transfers Clark's superpowers to a classmate, who begins to abuse his new abilities. Meanwhile, Lex thinks he has proof of Clark's superpowers.

Clark is unsettled when a class project has Chloe delving into his past, and Lex has problems of his own when a man he thought long dead turns up seeking vengeance.

Clark is staggered by his newfound ability to see through solid objects with X-ray vision, especially when he witnesses Lex Luthor commit a bank robbery. Elsewhere, a shape-shifting teenager threatens Lana.

An old woman grants Clark a glimpse of his future, while Lex takes advantage of the seer's gift to learn more about his friend's secret. Meanwhile, a bitter old man is rejuvenated by a fountain of youth.