P. Lynn Johnson

When Clark rescues his classmate, Eric Summers (Shawn Ashmore), from harm during an electrical storm, they are both struck by lightning -- resulting in all of Clark's superpowers being transferred to Eric. While Eric relishes his new life as "Superboy," he soon begins to abuse his new powers. Clark's happiness at finally being a "normal" teenager is tempered by his growing concern for the town's safety. Meanwhile, Lex confronts Clark, believing that he has undeniable proof of Clark's superpowers.

An eight-year old girl is the prime suspect in a series of bizarre, seemingly unrelated deaths.

Mulder and Scully face the prospect of becoming human sacrifices when they uncover a Satan-worshipping cult led by a demonic substitute teacher.

When Margaret is disappointed that no one but Todd can attend her family Thanksgiving dinner, Todd tries to convince his brother, Lawrence, to come home. Margaret's family helps her crack a case involving an injured bank teller and robbery.

The true birth father of small-town babies born with vestigial tails turns out to be a chameleon-like man capable of impersonating anyone – including Mulder.