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Season Four Quick Reference Guide

Main Cast
Clark Kent
Lana Lang
Alexander Joseph "Lex" Luthor     
Peter "Pete" Ross
Chloe Sullivan
Lionel Luthor
Martha Kent
Jonathan Kent
      Tom Welling
Kristin Kreuk
Michael Rosenbaum     
Sam Jones III
Allison Mack
John Glover
Annette O'Toole
John Schneider
      DOB: 04/26/77
DOB: 12/30/82
DOB: 07/11/72
DOB: 04/29/83
DOB: 07/29/82
DOB: 08/07/44
DOB: 04/01/54
DOB: 04/08/60

Episode Photos

# Air
67 9/22/04 [unknown] 2T5201 Crusade
LOIS LANE HITS SMALLVILLE AND CLARK FLIES! - Clark returns to Smallville re-programmed as Kal-El. Intent on fulfilling his destiny, Kal-El takes to the skies to steal a powerful kryptonite crystal. Meanwhile, Lois Lane comes to town to investigate the murder of her cousin Chloe. Also, Lana returns from Paris with a new attitude and a new boyfriend, Jonathan lies in a coma, and Lionel faces a grim new life in prison.

Lois Lane: Erica Durance [unknown]: Jensen Ackles

68 9/29/04 [unknown] 2T5202 Gone
CLARK AND LOIS INVESTIGATE CHLOE'S MURDER - Clark and Lois Lane investigate Chloe's apparent murder, but are stopped by an army officer, General Sam Lane, who turns out to be Lois' father. Lois suspects that Sam knows more about Chloe's death than he will admit, and Clark discovers that Sam has recently been in contact with Lex. Jason arrives from Paris and convinces Lana to continue their relationship. Suspecting that Chloe is still alive, Lionel sends an assassin with the power to morph his limbs into metallic weapons to keep Chloe from testifying against him.

Lois Lane: Erica Durance General Sam Lane: Michael Ironside Jason: Jensen Ackles

69 10/06/04 [unknown] 2T5204 Facade
PLASTIC SURGERY HITS SMALLVILLE - Clark faces a surprising new foe in the form of a shy high school girl who turns to plastic surgery to enhance her looks and boost her popularity. However, things go awry when she discovers that her kryptonite - enhanced beauty causes harm to anyone she kisses - and she decides her next victim will be Lana. Meanwhile, Jason and Lana continue to hide their relationship from Clark.

Jason: Jensen Ackles [unknown]: Brianna Lynn Brown

70 10/13/04 [unknown] 2T5203 Devoted
THE STEPFORD BOYFRIENDS COME TO SMALLVILLE - Clark joins the football team at school and is immediately given the starting quarterback position after the old quarterback starts a fight with new coach Jason. Curious about the behavior change in his old teammate, Clark and Lois investigate and discover that the cheerleaders are poisoning the teams' water with kryptonite, turning the players into Stepford-like boyfriends.

Lois Lane: Erica Durance Jason: Jensen Ackles

71 10/20/04 [unknown] 2T5205 Run
THE FLASH SPEEDS INTO SMALLVILLE - After Jonathan's wallet is stolen, Clark super-speeds after the thief but is stunned when he cannot catch him. The thief, Bart, a.k.a. The Flash, later shows up at the farm and tries to talk Clark into leaving Smallville for a life on the road together, flexing their super powers. Meanwhile, Lex buys a priceless framed manuscript with Kryptonian symbols and Clark learns that it contains a mysterious hidden map. However, when Bart steals the manuscript from Lex, he inadvertently puts Clark's life in danger and must make the decision whether to save Clark or himself.

Bart Allan [The Flash]: Kyle Gallner

72 10/27/04 [unknown] 2T5206 Transference
CLARK AND LIONEL SWITCH BODIES - Clark hears a painful ringing sound in his ears and is drawn to the prison where Lionel is being held. When he sees Lionel attempt to stab Lex with a strange glowing stone, Clark grabs for the stone causing the two men to switch bodies. Learning his new body has super powers, Lionel immediately begins wreaking havoc on Smallville. Trapped behind bars without his powers, Clark must figure out a way to get his body and powers back in order to save his friends and family.

73 11/03/04 [unknown] 2T5207 Jinx
DC COMIC VILLIAN MXYZPTLK TRIPS UP SMALLVILLE - Chloe is drawn into an underground gambling ring at school run by foreign exchange student Mikail Mxyzptlk (guest star Trent Ford) and loses her savings on a football game after Mxyzptlk uses his powers to control all the players - including Clark. When Chloe discovers Mxyzptlk's secret, he kidnaps her and threatens to kill her unless Clark throws the championship game. Meanwhile, Lex threatens Mxyzptlk with deportation unless he uses his powers for Lex's benefit.

74 11/10/04 [unknown] 2T5208 Spell
A WITCH HUNT IN SMALLVILLE - After Lana reads from a spell book written in the 1600s, she, Lois and Chloe become possessed by witches that had been burned at the stake. The three witches have come back to seek revenge and search for the powerful Kryptonian crystals, wreaking havoc on the town in the process. Clark attempts to stop the witches but they strip him of his powers and force him to reveal the location of the crystal he hid in the cave.

75 11/17/04 [unknown] 2T5209 Bound
JANE SEYMOUR GUEST-STARS - After Lex is accused of killing a young woman, Clark sets out to prove his innocence and turns to an unlikely source for help - Lionel. Swearing he is a changed man, Lionel offers Clark insight into the crime but he asks for something in return. Meanwhile, Lana meets Jason's (Jensen Ackles) parents and has a vivid flashback of the incident in Paris, leading her to suspect that Jason's mother (guest star Jane Seymour) was there when she got her tattoo.

76 12/01/04 [unknown] 2T5210 Scare
TOXIC WASTE - Lex's secret experiment at Luthorcorp goes awry and causes a dangerous toxin to be released into Smallville. Those infected by the toxin, including Clark, Lana, Lex, and Jason (Jensen Ackles) imagine their greatest fears come true and then fall into a coma. Desperate to find a cure, Clark gives some of his blood to Lex and is stunned at what Lex does with the antidote.

77 1/26/05 [unknown] 2T5211 Unsafe
ALICIA RETURNS TO SMALLVILLE FOR CLARK - Claiming to be cured, Alicia is released from Belle Reve hospital and comes to Smallville to rekindle her relationship with Clark. Initially skeptical of Alicia, Clark finds himself enjoying a relationship with someone who knows his secret, but when she pushes for more he hesitiates, causing her to use red kryptonite on him. "Bad Clark" emerges and whisks Alicia off to get married in Las Vegas. Meanwhile, Lana decides to have sex with Jason in order to win him back.

Alicia: Sarah Carter. Jason: Jensen Ackles.

78 2/02/05 [unknown] 2T5212 Pariah
LANA IS ATTACKED AND ALL FINGERS POINT TO ALICIA -- Lana and Jason are attacked and almost killed by an unseen assailant and Alicia seems to be the prime suspect. Clark initially defends his new girlfriend, but when the evidence begins to pile up he is forced to take a hard truthful look at Alicia. Hurt by Clark's actions, Alicia forces Clark to unknowingly reveal his powers in front of Chloe. Meanwhile, Jason's mother returns to town with an offer for Lex.

Alicia: Sarah Carter. Jason: Jensen Ackles. Genevieve Teague: Jane Seymour.

79 2/09/05 [unknown] 2T5213 Recruit
CHRIS CARMACK ("THE OC") GUEST STARS - In an effort to recruit Clark for their football team, Met U sends their star player Geoff to show Clark the "perks" of attending Met U. However, after one of Met U's players dies under mysterious circumstances and Lois is arrested for his murder, Clark discovers that Geoff has super powers and is using them to paralyze anyone who gets in his way - including Lois. Meanwhile, Chloe continues to watch Clark to learn more about his secret.

Geoff: Chris Carmack. Lois Lane: Erica Durance

80 2/16/05 [unknown] 2T5214 Krypto
SUPERDOG TO THE RESCUE - While driving, Lois accidentally hits a dog and brings it back to the farm to heal. Clark realizes this is no ordinary dog after the pup lifts up a car to retrieve a ball. Clark and Lois learn the dog is a product of an aborted LuthorCorp experiment and is being used to commit crimes, but when Lois is kidnapped by the robbers and Clark is weakened by kryptonite, it is up to the dog to save them. Meanwhile, Lana questions Jason's involvement in his mother's schemes.

Lois Lane: Erica Durance Jason: Jensen Ackles. Genevieve Teague: Jane Seymour.

81 2/23/05 [unknown] 2T5215 Sacred
CLARK AND LANA HEAD TO CHINA IN SEARCH OF A KRYPTONIAN CRYSTAL - After learning that Jason and Lex are in China searching for one of the mysterious kryptonian crystals, Clark and Lana follow in the hopes of finding it first. Clark finds an artifact that leads them to the crystal, but he must battle Isobel, the witch, who has once again inhabited Lana's body in order to take the crystal for herself. Meanwhile, Lex has more information on the crystals than he is letting on.

Jason: Jensen Ackles.

82 3/02/05 [unknown] 2T5216 Lucy
LOIS LANE'S SISTER, LUCY, COMES TO TOWN - Lois' younger sister, Lucy, with whom Lois doesn't get along, comes to town and charms everyone she meets. However, Clark discovers a darker side to Lucy after he catches her stealing money from a bar and forces her to reveal the truth about her sudden appearance in Smallville - a truth that puts Lois in grave danger. Meanwhile, the crystal disappears from Lana's apartment and Jason accuses Lionel of stealing it.

Lois Lane: Erica Durance Jason: Jensen Ackles. Lucy Lane: Peyton List.

83 4/13/05 [unknown] 2T5217 Onyx
LEX'S DARK SIDE EMERGES AFTER A KRYPTONITE EXPLOSION - A glimpse of the future Lex Luthor is revealed after a kryptonite explosion splits Lex in two and his evil side - Alexander - is released. Alexander immediately imprisons Lex in the mansion and begins his rampage by trying to kill Clark and Chloe in the lab, jousting with Lionel and convincing him to return to the dark side and finally, threatening to close the Talon unless Lana moves in with him.

84 4/20/05 [unknown] 2T5218 Spirit
LIFEHOUSE ROCKS THE SMALLVILLE PROM - A stunned Chloe is nominated for Prom Queen and tries to talk a reluctant Clark and Lana into attending the dance with her. However, after her rival Dawn, a wannabe Prom queen, crashes her car into a ravine filled with kryptonite, Dawn's spirit is released and she enters the bodies of the others making them act out of character. As a result, Lana asks Clark to be her date, Lois attends the Prom and Chloe sets the school on fire. Lex gives the seniors a special gift by having the band Lifehouse play at the dance.

85 4/27/05 [unknown] 2T5219 Blank
CHLOE HELPS CLARK LEARN ABOUT HIS SUPERPOWERS AFTER HE LOSES HIS MEMORY - Kevin, a boy who can cause people to temporarily lose their memory, turns his powers on Clark and causes him to have total amnesia. Chloe discovers what has happened and must teach Clark about his superpowers while simultaneously trying to keep him from accidentally revealing them to others. On his trip down memory lane, Clark meets Lana, falls in love all over again and decides to share his secret with her. Lex takes advantage of the situation and convinces Clark to show him where the three stones are hidden.

86 5/04/05 [unknown] 2T5220 Ageless
CLARK AND LANA FIND AN ABANDONED BABY IN THE CORNFIELD - Clark and Lana discover an abandoned baby in the cornfield and take him back to the Kent farm. However, once the baby ages from a newborn to a 7-year-old in a matter of days, the two realize he is aging at a rapid rate and frantically search for a cure before the disease kills him. Meanwhile, Genevieve orders Lionel to kill Lana or else she will send him back to prison.

Genevieve Teague: Jane Seymour.

87 5/11/05 [unknown] [2T5221] Forever
GENEVIEVE ATTACKS LANA TO GET THE CRYSTAL - Clark must stop the school photographer after he sets up a secret simulated high school and begins kidnapping students -- starting with Chloe -- to keep the glory days of high school going forever. Lex and Lionel are kidnapped and tortured by the Teagues in an effort to find the crystal. However, after Genevieve realizes Lana has the crystal, she decides to put an end to the hunt once and for all.

[photographer]: Steven Grayhm. Genevieve Teague: Jane Seymour.

88 5/18/05 [unknown] [2T5222] Commencement
THE 90-MINUTE SEASON FINALE IS PACKED WITH MURDER, BETRAYAL AND AN UNFORGETTABLE GRADUATION DAY FOR ALL - Clark begins to piece together the reason he was sent to Earth after he has a nightmare that something horrible is going to happen to SMALLVILLE and heads to the cave to seek answers from Jor-El. His biological father tells him he must reunite the three crystals immediately or a disaster of epic proportions will befall the planet and even Clark won't be able to stop it. Meanwhile, Lex first helps Lana escape SMALLVILLE after the death of Genevieve Teague then takes shocking action to get one of the crystals away from Lionel. Realizing the crystals are connected to Clark, Chloe tries to stop Lex from discovering the truth.


The Master Date refers to the date the edited master was created.

The Prod Num refers to the production number assigned to the episode by the production company. It is not the number assigned to the episode by The WB.

All shows aired Wednesday at 8:00pm ET, except as noted.

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Last modified on Sunday, 12-Sep-2010 23:22:28 CDT.