WHITNEY RETURNS TO SMALLVILLE! – Whitney returns home from the Marines looking to rekindle his relationship with Lana but his suspicious behavior prompts Clark to question his true motives, ultimately revealing a shocking truth about “the new Whitney.” Lex becomes suspicious of his new girlfriend after he discovers a questionable photo of her with Lionel.
Clark meets a Native American girl in a cave and discovers drawings on the walls from the girl’s ancestors that tell a tale mirroring Clark’s arrival in Smallville during a meteor shower. Meanwhile, Lana learns the results of a DNA test that could prove her kinship to Henry Small.
A Smallville honor student who can clone himself at will kills a teacher to avoid a bad grade, then develops a romantic interest in Chloe and Lana. Meanwhile, Martha feels guilty about her career choices after Jonathan is injured in an accident on the Kent farm while she is at work.
A strange woman arrives in Smallville and tells Clark that she’s his biological mother and informs Lex that Lionel is the father. And she wants Clark take a DNA test to confirm her story. Meanwhile, Lana decides to meet the man who could be her biological father.
Family secrets abound as Martha goes behind Jonathan’s back to ask her father for money after the family’s bills pile up; and Lana finds pictures of her mother with another man that were taken after her parents were married. Meanwhile, a healthy high-school student dies of old age shortly after kissing his girlfriend; and Clark has a run-in with the new school principal.
A teen who is kept locked in the basement of his parents’ house during the day sneaks out at night and leaves love letters for Lana at her parents’ graves. Meanwhile, Lionel Luthor hires Clark’s mother as his personal assistant.
The Boy of Steel has his first run-in with red kryptonite in this exploration of classic Superman mythology.
Clark’s transformation begins after he gets his high-school ring. The memento’s red-kryptonite gem insidiously begins to alter his behavior as his inhibitions melt away. The usually respectful teen starts mouthing off to his parents and friends, and the problems escalate when Clark’s indifference causes him to slam his father against a truck during a scuffle. Elsewhere, a new Smallville student is pursued by a murderous U.S. marshal, who has already killed the informant who pointed him in the town’s direction.
Clark tells Pete about his extraterrestrial powers after Pete finds Clark’s spaceship and insists on hiding it in a shed in his own yard, but the craft is soon stolen by a scientist. Meanwhile, Lionel Luthor claims he wants to spend more time with Lex; and Lana is suspicious of her aunt’s new boyfriend.
It appears that shrewd billionaire Lex Luthor has taken leave of his senses when he marries a woman he hardly knows. The new Mrs. Luthor is Smallville High School teacher Desiree Atkins, who has the ability to temporarily control a man’s mind by emitting a kind of pheromone mist. She and Lex wed shortly after they meet, and Desiree immediately sets out to steal the Luthor fortune by planning her transition from wife to widow. She tries to persuade Clark to murder her new hubby, but her powers don’t work on the Kryptonian so she’s forced to find another pawn. Meanwhile, Clark’s troubles aren’t over; he’s struggling with his latest gift—heat vision.
The adventures continue for the Teen of Steel as the drama kicks off its sophomore season with Smallville still in the grips of a devastating twister. Faster than a speeding bullet, Clark rescues Lana from the storm and rushes her to a hospital before he races home to aid his folks. But Clark soon discovers that his dad is missing and was last seen chasing a nosy newspaper reporter off the farm. Elsewhere, millionaire Lex Luthor has his own problems when his conflicted feelings for his father cause him to hesitate in a moment of crisis.