| 01. | Pilot | Tuesday October 16th, 2001 |
| As his powers start to emerge, a young Clark Kent struggles to "fit in" among his peers. It is up to Clark to finally learn more about his past, and the secret that surrounds him, from the only people that can help him-his parents. |
| 02. | Metamorphosis | Tuesday October 23rd, 2001 |
| Bugs affected with Kryptonite cause a student to adopt the life cycle of an insect, and he targets Lana as his mate. |
| 03. | Hothead | Tuesday October 30th, 2001 |
| Clark joins the football team and discovers his coach has the ability to start fires supernaturally. |
| 04. | X-Ray | Tuesday November 6th, 2001 |
| Clark's X-ray vision begins to emerge, and the power allows him to witness an event that shocks him. |
| 05. | Cool | Tuesday November 13th, 2001 |
| Clark faces a deadly enemy, who must absorb body heat in order to survive. |
| 06. | Hourglass | Tuesday November 20th, 2001 |
| When an old man is made young again, he takes revenge on the grandchildren of people who did him wrong in the past. Meanwhile, a woman named Cassandra, made blind during the meteor shower, begins to see flashes of the future, flashes she can show others. When Clark see's one of these glimpises into the future, the gravestones of his family and friends, he worries that he will outlive everyone he knows. |
| 07. | Craving | Tuesday November 27th, 2001 |
| Clark must save Pete from a dieting classmate who turns ravenous and seeks anything to quell her hunger. |
| 08. | Jitters | Tuesday December 11th, 2001 |
| Clark's high-school class is taken hostage by a custodian while at LutherCorp. |
| 09. | Rouge | Tuesday January 15th, 2002 |
| A corrupt cop coerces Clark into joining forces with him. |
| 10. | Shimmer | Tuesday January 29th, 2002 |
| Clark faces an invisible enemy attacking Luthor Mansion. |
| 11. | Hugs | Tuesday February 5th, 2002 |
| Clark works with a local hermit to save the Kent family farm from being sold to a pesticide magnate.
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| 12. | Leech | Tuesday February 12th, 2002 |
| Clarks powers are transfered to a classmate, when Clark rescues him during a storm and is struck by lightening. |
| 13. | Kinetic | Tuesday February 26th, 2002 |
| Lex turns desperate when thieves enter the Luthor mansion and steal evidence of his secret project.
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| 14. | Zero | Tuesday March 12th, 2002 |
| An enemy from Lex's past in Metropolis comes hunting for him in Smallville. |
| 15. | Nicodemus | Tuesday March 19th, 2002 |
| The citizens of Smallville have their inhibitions removed, when they become infected by a mysterious flower. |
| 16. | Stray | Tuesday April 16th, 2002 |
| A boy who can read minds discovers Clark's secret; Lex mulls taking a job offer from his father.
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| 17. | Reaper | Tuesday April 23rd, 2002 |
| A kryptonite-infected man seeks to end the suffering of the elderly and the sick by turning them into ashes.
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| 18. | Drone | Tuesday April 30th, 2002 |
| Clark suspects a candidate for student government is commanding a swarm of bees to eliminate opponents. |
| 19. | Crush | Tuesday May 7th, 2002 |
| Clark struggles to come to terms with his feelings for Chloe, after he learns she has a crush on him. Clark faces an unexpected suitor for Chloe's affection when a gifted art student returns to school after a hit-and-run accident robbed him of the use of his hands but gave him the gift of telekinesis, and he is seeking revenge against those he holds responsible. Meanwhile, Lana becomes jealous after watching Clark with Chloe and begins to question her relationship with Whitney. |
| 20. | Obscura | Tuesday May 14th, 2002 |
| When an explosion of kryptonite gives Lana the ability to see through a kidnapper's eyes, she and Clark race to save Chloe from being buried alive.
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| 21. | Tempest | Tuesday May 21st, 2002 |
| The spaceship in the Kents' storm cellar springs to life as a tornado closes in on Smallville; a reporter spies on the Kents, discovering both Clark's superhuman abilities and the alien ship. |