List Episodes of First Season[]
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| Pilot
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| Metamorphosis
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| Hothead
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| X-Ray
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| Cool
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| Hourglass
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| Craving
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| Jitters
An experiment at the Luthor fertilizer plant makes an old friend of the Kents literally shake and jitter, and he seeks vengeance against the Luthors, who hide the secret of his transformation behind "Level Three" at the local plant.
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| Rogue
Clark visits Metropolis in this episode, and does a secret good deed - a police detective named Phelan witnesses his action and begins blackmailing Clark to help protect him from an IA investigation.
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| Shimmer
An invisible stalker is pursuing Lex and one of the household staff may, or may not, be responsible.
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| Hug
A salesman has a kryptonite-based ability to force anyone he touches to obey his commands.
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| Leech
On a class trip, Clark and a fellow student named Eric are struck by lightning, and because Eric was holding a piece of kryptonite, Clark's powers are transferred into him.
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| Kinetic
Whitney falls in with some former jocks who have kryptonite tattoos that give them the power to walk through walls. Meanwhile, Chloe is seriously injured and Lex has his own plans.
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| Zero
A man from Lex's past stalks him in conjunction with a mysterious death at Club Zero that Lex may have been responsible for. Meanwhile Chloe looks into Clark's past as an adopted child.
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| Nicodemus
A flower that comes from a reopened "Level Three" of the fertilizer plant brings strange reactions from several people, including Jonathan, Lana, and Pete.
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| Stray
A young runaway, Ryan, has the power to read minds and flees his abusive stepparents. The Kents take him in and Clark soon discovers the boy's powers and that he's immune to them. But Ryan's stepparents have plans to use the boy's powers for financial gain against...Lex.
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| Reaper
Tyler gains the power to destroy organic matter with a touch, and resolves to put the dying out of their misery...and Whitney's father is his next target. Meanwhile Lionel and Lex spar over Lex's rising success in Smallville.
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| Drone
Clark gets into a class election and one of his opponents is a krypto-mutant who can control bees. Meanwhile a reporter from Metropolis visits to do a story on Lex.
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| Crush
After being injured in a hit and run accident, a student loses the use of his hands but gains the ability of telekinesis.
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| Obscura
After an explosion Lana finds herself getting visions of a serial killer...and his next target is Chloe. Meanwhile Lex and Roger look further into the meteor shower and determine that something besides meteors hit Smallville that day.
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| Tempest
Lex is hit with a surprise after his father closes the local Smallville plant to force him back to Metropolis, blaming the plant's failure on his management. Meanwhile Clark prepares for his date with Chloe, reporter Roger Nixon gets wind of Clark's alien origins after setting up an explosion, and Whitney joins the Marine Corps.
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