Seasons & episodes
S6 · E21Prototype 8.3 / 10 · 1 published rating 2007-05-10 · 41 min
Lex tries to turn a soldier that supposedly died in Afghanistan into a "super-soldier." A senator threatens to tell the world about Lex's labs, prompting Lex to send the "soldier" to kill the senator. Lois sees the attack and becomes the soldier's next victim.
S6 · E22Phantom 8.7 / 10 · 1 published rating 2007-05-17 · 42 min
Clark discovers the reason Lana married Lex then and sets out to kill Lionel. Lex tries to use DNA from the last phantom to power his super-soldiers. Lois goes to a dam to search for Lex's lab but is caught by a security guard and fatally injured. Chloe's power is discovered.
S7 · E1Bizarro 9.4 / 10 · 1 published rating 2007-09-27 · 42 min
During Clark's battle with the last Phantom Zone wraith, Lex is rescued by a mysterious woman. She then goes to the Kent farm and reveals she is Clark's cousin, Kara, from Krypton.
S7 · E2Kara 9.2 / 10 · 1 published rating 2007-10-04 · 40 min
Clark and Lois meet Smallville's newest arrival face-to-face, and she has some surprising news. Clark decides to leave Smallville and continue with his superhero training but Jor-el informs him that a new Kryptonian menace has arisen.
S7 · E3Fierce 8.4 / 10 · 1 published rating 2007-10-11 · 40 min
Kara takes to life in Smallville by getting a job at the Talon, and entering the Miss Sweet Corn Pageant as a contestant, overruling Clark's objections. However, Lex takes an interest in her and three of the other contestants discover she has super-powers and decide to use her to steal a valuable time capsule.
S7 · E4Cure 8.7 / 10 · 1 published rating 2007-10-18 · 41 min
Dr. Curtis Knox says he can "cure" someone from being a "meteor freak," changing their lives. Chloe takes an interest in this, but Dr. Knox may have another secret.
S7 · E5Action 8.1 / 10 · 1 published rating 2007-10-25 · 41 min
When a movie is shot in Smallville, Clark is forced to secretly use his powers to save someone from a runaway car... but somebody is looking and becomes Clark's biggest fan. Meanwhile, Lionel's fate is revealed.
S7 · E6Lara 8.9 / 10 · 1 published rating 2007-11-01 · 41 min
Kara goes to Washington to look for her missing crystal, but is captured after she breaks into the lab. She's sedated with a truth serum that has kryptonite in it, which makes her relive a trip to Earth from the past. In this past trip she followed Lara, Clark's biological mother, to the Kent's farm. Clark saves Kara, but also ends up being affected by the serum when he burns it with his heat vision.
S7 · E7Wrath 8.7 / 10 · 1 published rating 2007-11-08 · 42 min
Lana absorbs Clark's powers during a lightning storm, which she uses to break into Lex's safe and steal some incriminating evidence. After being turned away by Grant at the Daily Planet, who won't accept her stolen evidence, Lana goes after Lex herself. Clark tries to rescue Lex, but must first battle the super-powered Lana.
S7 · E8Blue 8.7 / 10 · 1 published rating 2007-11-15 · 40 min
Clark hears his mother's voice trapped in Kara's crystal, and releases her. She gives him Jor-El's ring made of Blue Kryptonite, which strips him of his powers.
S7 · E9Gemini 9.0 / 10 · 1 published rating 2007-12-13 · 42 min
A mysterious man who claims to be a product of Lex's latest project plants a bomb on Chloe and uses her to force Lois to get the truth from Lex.
S7 · E10Persona 8.5 / 10 · 1 published rating 2008-01-31 · 42 min
Chloe begins to notice that Clark's not acting like himself. Bizarro enlists the help of Brainiac.
S7 · E11Siren 8.3 / 10 · 1 published rating 2008-02-07 · 42 min
When Green Arrow's band of heroes thwarts his efforts once too often, Lex employs a super-powered vigilante to take down the Emerald Archer.
S7 · E12Fracture 8.9 / 10 · 1 published rating 2008-02-14 · 41 min
Lex tracks the amnesiac Kara to Detroit, where Lois follows him. An obsessive busboy infatuated with Kara shoots Lex, and Chloe has to determine whether to heal him or not.
S7 · E13Hero 8.9 / 10 · 1 published rating 2008-03-13 · 42 min
Pete Ross returns to town and finds a number of surprising changes since his departure. Besides resolving his feelings toward Clark since he learned of his friend's secret, Pete has to deal with the acquisition of a superpower of his own.
S7 · E14Traveler 9.1 / 10 · 1 published rating 2008-03-20 · 42 min
Lionel has Clark kidnapped, and when Chloe and Lana confront him, he makes them think Lex is the culprit. Chloe and Lana then beg Jor-El to restore Kara's memory because she's the only person who can rescue Clark.
S7 · E15Veritas 9.0 / 10 · 1 published rating 2008-03-27 · 39 min
Clark must learn a new superpower as he and Kara join forces to take on Brainiac, putting the lives of their friends in danger.
S7 · E16Descent 9.2 / 10 · 1 published rating 2008-04-17 · 42 min
No one is safe when Lex seeks the secret of Veritas, and Clark tries to stop him.
S7 · E17Sleeper 8.6 / 10 · 1 published rating 2008-04-24 · 39 min
While Clark seeks out Brainiac to force him to fulfill his side of their bargain and restore Lana, Chloe and Jimmy go up against the government.
S7 · E18Apocalypse 9.3 / 10 · 1 published rating 2008-05-01 · 40 min
When Clark wonders if the world would be better off if he never came to Smallville, Jor-El shows him what life would have been like if he had never existed.
S7 · E19Quest 9.5 / 10 · 1 published rating 2008-05-08 · 42 min
After Lex is attacked by a mysterious stranger, he and Clark both discover the last surviving member of the Veritas group who holds the secret to controlling the Traveler.
S7 · E20Arctic 9.9 / 10 · 1 published rating 2008-05-15 · 42 min
Lex is taken to the Fortress to fulfill his destiny, while Lana awakens from her coma and Chloe is arrested by the government.
S8 · E1Odyssey 9.4 / 10 · 1 published rating 2008-09-18 · 42 min
Green Arrow calls upon fellow heroes Black Canary and Aquaman to locate the missing Clark Kent, last seen in the Arctic. The Martian Manhunter also joins in to help out.
S8 · E2Plastique 9.3 / 10 · 1 published rating 2008-09-25 · 42 min
Chloe invites an injured 15-year-old to move in with her. Meanwhile, Clark experiences his first day of work with Lois.