Smallville

Over a decade ago, a meteor shower brought destruction to the unsuspecting citizens of Smallville, Kansas.

Clark goes into hiding after he discovers his startling new power that quickly gets out of control and accidentally harms Lana.

After one of his friends discovers Clark's spaceship in the cornfield, Clark defies his parents' wishes and reveals his secret to the person--who gives him a shocking reaction.

When the school unwittingly uses red meteor rocks in its class rings, Clark experiences a new meteorite effect: Stunning his friends and family, he becomes a rebellious and dangerous teenager who uses his powers for malevolence instead of good.

Clark becomes concerned when a mysterious poet, Byron Moore (SEAN FARIS), leaves love notes for Lana at her parents' grave. Clark warns her to stay away from Byron, but she is intrigued.

Because the farm is in financial trouble, Martha asks her estranged father, William Clark, for help.

A mysterious woman, Rachel Dunlevy (BLAIR BROWN - "The Days and Nights of Molly Dodd"), visits the Kents and claims to be Clark's mother, prompting them to finally tell Clark what happened after they discovered him in the cornfield that fateful day.

Clark tests the limits of his powers to save his young telepathic friend, Ryan (recurring guest star RYAN KELLEY), from an evil doctor who wants to control the boy's abilities.

When Clark tries to warn Lana and Chloe about Ian (JONATHAN TAYLOR THOMAS - "Home Improvement," "Wild America"), an overachieving student who is surreptitiously dating both girls, they accuse Clark of jealousy.

While dirt-biking with Pete, Clark falls into a cave and discovers two hidden treasures: ancient Native American inscriptions that hold the key to his identity and a beautiful girl whom he believes to be his soul mate.

Whitney Fordman (former series star ERIC JOHNSON) returns home from a tour of duty with the Marines, hoping to renew his relationship with Lana.

After discovering that Lionel has secretly installed video cameras in the mansion, Lex hires thugs to put surveillance devices in Lionel's Metropolis office.

After Lionel is shot and wounded, Jonathan is arrested. But Clark and Pete perform their own crime scene investigation and realize that more than one person had the opportunity and motive to harm Lionel--including Lex.

After a parasitic worm infects Pete and Chloe, they become thrill-seeking daredevils, and Pete uses red meteor rocks to persuade Clark to join them on a dangerous adventure.

Lex finds Lucas (PAUL WASILEWSKI), the son Lionel gave up for adoption, and brings him home in the hope that they can unite against Lionel.

Martha is seriously sickened by meteor dust, and Clark and Jonathan desperately try to help her. But when Clark becomes infected as well, he finds out just how vulnerable he can be.

Determined to find out where he came from, Clark travels to New York to meet Dr. Virgil Swann (CHRISTOPHER REEVE - "Superman" movies), a brilliant scientist who possesses a message for Clark from his home planet.

After his schoolmate, Cyrus Krupp (JEREMY LELLIOTT), claims to be an alien and seemingly proves it by using heat vision, Clark investigates and begins to believe that the boy is from Clark's home planet, Krypton.

After Lana is almost assaulted by a college student, Clark loses control and injures him. The Kents are then sued for punitive damages that could cost them the farm, and Clark questions his powers--while trying to find a way to forestall the lawsuit.

Clark inadvertently witnesses the robbery of a LuthorCorp truck carrying kryptonite and is stunned to realize that he can't stop the thieves--they are as strong as he is.

After Lana is visited by the ghost of her childhood friend, she turns to Clark for help in uncovering the truth about the strange visitor.

When Dr. Fredrick Walden (recurring guest star ROB LaBELLE), the famed linguist who was injured while studying the caves, awakens suddenly from a coma, he possesses fantastic powers and goes on a dangerous mission.

In the season finale, Clark makes an astonishing discovery about his origins--and faces the choice of his lifetime. Meanwhile, Clark and Lana agonize over a rift with Chloe.