The origins of the world’s greatest hero–from Krypton refugee Kal-el’s arrival on Earth through his tumultuous teen years to Clark Kent’s final steps toward embracing his destiny as the Man of Steel.
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see all options Availability data: JustWatch
- Seasons
- 10
- Episodes aired
- 216
- Latest aired
- S10E21
- Total runtime
- 6d 8h
Timeline when each season aired
- Season 1 October 2001 – May 2002 21 episodes
- Season 2 September 2002 – May 2003 23 episodes
- Season 3 October 2003 – May 2004 22 episodes
- Season 4 September 2004 – May 2005 22 episodes
- Season 5 September 2005 – May 2006 22 episodes
- Season 6 September 2006 – May 2007 22 episodes
- Season 7 September 2007 – May 2008 20 episodes
- Season 8 September 2008 – May 2009 22 episodes
- Season 9 September 2009 – May 2010 21 episodes
- Season 10 September 2010 – May 2011 21 episodes
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S02E01 Vortex
September 24 · 42min find the promo
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Clark rescues Lana from the storm, but discovers that the spaceship is released, while Jonathan is buried alive with the unscrupulous reporter who discovered Clark's secret. Meanwhile, Lex is wracked with guilt over his critically injured father.
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S02E02 Heat
October 1 · 43min find the promo
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Clark gains a new power - heat-vision. As he struggles to control it, Lex gets married to the new Smallville High teacher, Desiree Atkins, little does he know that she not only has an alterior motive, but that she's coming on to Clark too.
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S02E03 Duplicity
October 8 · 42min find the promo
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Pete finds Clark's spaceship, forcing Clark to reveal his secret to his best friend. Dr. Hamilton is plagued by kryptonite-fueled illness and focuses on Pete. Meanwhile, Lana has to deal with Nell and her plans to remarry while Lex and Lionel adjust to life together.
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S02E04 Red
October 15 · 43min find the promo
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Clark has his first run-in with red kryptonite in this exploration of classic Superman mythology, turning immoral when he gets his high-school ring holding a piece of rock. Meanwhile, Lex and his father have some issues to resolve when Lionel starts taking over the manor.
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S02E05 Nocturne
October 22 · 42min find the promo
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Lana has a new stalker - a boy imprisoned in his basement by his parents who sneaks out at night to visit her. Meanwhile Lionel hires Clark's mother as his personal assistant.
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S02E06 Redux
October 29 · 40min find the promo
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Martha's father William comes to town after many years of estrangement due do his disapproval of Jonathan. Meanwhile Clark must deal with a series of old-age deaths at Smallville High, and the new principal puts his foot down.
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S02E07 Lineage
November 5 · 43min find the promo
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A strange woman shows up claiming to be Clark's biological mother...and that his father is Lionel. Meanwhile Lana decides to meet with the man who is her biological father.
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S02E08 Ryan
November 12 · 43min find the promo
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Ryan (from "Stray") returns and Clark has to save him from Dr. Garner of the Summerholt Research Facility. Meanwhile, Aunt Nell leaves Smallville, and Lex wants to expand the plant but runs afoul of the mayor.
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S02E09 Dichotic
November 19 · 42min find the promo
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A Smallville student, Ian, displays the ability to make clones of himself and uses his power to date both Chloe and Lana. Meanwhile Lex goes to anger management class and meets an attractive local doctor.
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S02E10 Skinwalker
November 26 · 41min find the promo
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Clark becomes involved with a Native American woman, Kyla, and becomes aware of ancient Indian prophecy that warns of a man of great powers who fell from the sky. Worse, a wolflike creature is attacking the local Lexcorp construction project, and Martha and Lionel may be the next victims.
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S02E11 Visage
January 14 · 43min find the promo
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Whitney returns to Smallville, eager to start back up where he left off with Lana. But everything isn't what it seems...
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S02E12 Insurgence
January 21 · 44min find the promo
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Lex hires some thugs to bug Lionel's office but things get out of control when Lionel and Martha are taken hostage, and Clark must rescue them without revealing his secrets.
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S02E13 Suspect
January 28 · 42min find the promo
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Lionel is shot in the manor, and Jonathan is the prime suspect.
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S02E14 Rush
February 4 · 42min find the promo
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Students are engaging in wild, sometimes suicidal stunts, and Chloe and Pete are the next ones to become "infected."..and they use a piece of red meteor rock to get Clark to join them.
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S02E15 Prodigal
February 11 · 43min find the promo
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Lex recovers his long-lost brother Lucas and uses him in a ploy to buy out his father's share of the company. But it soon becomes clear that Lucas isn't to be trusted, and Lex soon finds himself ousted from his own company.
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S02E16 Fever
February 18 · 43min find the promo
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Martha catches a lungful of kryptonite-irradiated spores and a weakened Clark is her only hope for survival.
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S02E17 Rosetta
February 25 · 43min find the promo
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Clark travels to New York to meet Dr. Swann, a brilliant scientist who holds a message for Clark from his home planet. Meanwhile Lana decides to move out of Chloe's house after they get into an argument about Clark.
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S02E18 Visitor
April 15 · 42min find the promo
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After a schoolmate claims to be an alien and proves it by using heat vision, Clark investigates and believes the boy is from Krypton. Meanwhile, Helen confronts Lex over the locked room in the mansion that holds his investigation of Clark's secrets.
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S02E19 Precipice
April 22 · 43min find the promo
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After Lana is almost assaulted by a college student, Clark injures the boy while helping her. When the Kents are sued for damages that could cost them the farm, Clark tries to find a way out of the lawsuit. Meanwhile, Helen's obsessive ex-boyfriend comes to Smallville to win her back but when she turns him down, he stabs her, prompting Lex to take the law into his own hands.
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S02E20 Witness
April 29 · 41min find the promo
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Clark runs up against super-strong robbers who are apparently tied to LexCorp. And Chloe begins to ally with Lionel, while Lana and Henry Small bond.
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S02E21 Accelerate
May 6 · 44min find the promo
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Lana is haunted by the ghost of a dead friend, Emily, but the "spirit" has connections to Lionel Luthor, who is also scheming to get control of the Indian caves and "help" Lex with his wedding.
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S02E22 Calling
May 13 · 43min find the promo
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Dr. Walden comes out of a coma with super-powers and a desire to kill Clark, piquing the Luthors' interest. The spaceship starts talking to Clark, and Helen and Lex prepare for their wedding.
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S02E23 Exodus
May 20 · 43min find the promo
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A sense of foreboding surrounds Smallville as Clark must choose between staying with Lana and his family or fulfilling his destiny to rule the Earth. Lex and Helen prepare for their marriage, and Chloe considers Lionel's offer to investigate Clark.