Seasons & episodes
S5 · E19Mercy 8.9 / 10 · 1 published rating 2006-04-20 · 43 min
Lionel is taken hostage by a masked man who forces him to play elaborate games for the prize of staying alive. Martha goes to confront Lionel after Clark tells her Lionel knows his secret and becomes a part of the game herself, fighting for her life.
S5 · E20Fade 8.4 / 10 · 1 published rating 2006-04-27 · 42 min
Clark saves a man who in gratitude decides to help Clark in return...by using his ability to turn invisible and his skill as a hitman to kill Lex so Clark can reunite with Lana. And Clark and Lana finally square off about Lana's new relationship.
S5 · E21Oracle 8.8 / 10 · 1 published rating 2006-05-04 · 42 min
Clark and Martha are both visited by Jonathan's ghost, who warns them about Lionel and claims that Clark must kill him to stop him. Meanwhile Fine will do whatever it takes to get the vaccine from Lex.
S5 · E22Vessel 8.8 / 10 · 1 published rating 2006-05-11 · 44 min
Professor Fine has unleashed a virus that will kill millions. Clark must put a stop to him, while Lex wonders what happens when he will tell Lana his newest secret.
S6 · E1Zod 8.6 / 10 · 1 published rating 2006-09-28 · 42 min
A powerless Clark is trapped in the "Phantom Zone" surrounded by the criminals his father imprisoned there. However, an unexpected ally comes to his aid. Meanwhile, Zod in Lex's body advances his plan to transform Earth into a new Krypton, while using Lana to produce an heir.
S6 · E2Sneeze 8.3 / 10 · 1 published rating 2006-10-05 · 42 min
In the aftermath of Zod's activities, Clark develops a new power. Lois gets a new job, Lana takes a new step in her relationship with Lex, and Lex has to deal with a new danger. Meanwhile, an old friend of Lex's arrives in Metropolis.
S6 · E3Wither 8.1 / 10 · 1 published rating 2006-10-12 · 41 min
Clark and Chloe pursue a plant creature that uses male humans to recreate, one which has taken Jimmy Olsen as its next human breeding ground. Meanwhile, Oliver Queen asks a reluctant Lois to be his date at a charity ball held by Lex.
S6 · E4Arrow 8.7 / 10 · 1 published rating 2006-10-19 · 42 min
The mysterious Green Arrow steals a necklace from Martha, and both Lois and Clark resolve to find out who the vigilante is. While Clark determines Green Arrow's true identity, Lex continues his investigation of the mysterious black box while Lionel warns Lana against him.
S6 · E5Reunion 9.2 / 10 · 1 published rating 2006-10-26 · 42 min
Lex and Oliver Queen return to their old prep school for a reunion, but Oliver's old friends (and Lex's old enemies) start dying in mysterious accidents. Meanwhile, Clark learns that someone... or something may have left the Phantom Zone with him.
S6 · E6Fallout 8.5 / 10 · 1 published rating 2006-11-02 · 40 min
After escaping from the Phantom Zone, Raya comes to Smallville to visit Clark. Raya and Clark grow close, and Raya reveals how to repair the Fortress of Solitude. Unfortunately, Baern, another escapee seeks out revenge on Clark and Raya for his time spent in the Zone.
S6 · E7Rage 8.5 / 10 · 1 published rating 2006-11-09 · 42 min
After being shot while stopping a carjacking, the Green Arrow begins acting strangely. Chloe and Clark investigate and find Oliver is taking a super drug that while healing his wound, has some dangerous side effects.
S6 · E8Static 8.3 / 10 · 1 published rating 2006-11-16 · 41 min
One of the escapees from the Phantom Zone has killed the crew of a ship in Seattle. Clark confronts the killer who feeds on the bones of his victim. In Smallville, a patient in LuthorCorp Labs escapes experimentation and seeks revenge on Lex by trapping him in a dimension where he can see and hear those around him, but they cannot see him.
S6 · E9Subterranean 8.6 / 10 · 1 published rating 2006-12-07 · 40 min
An illegal immigrant comes to Clark for help, escaping from a nearby farm where he's working... a farm that houses a dark secret.
S6 · E10Hydro 8.4 / 10 · 1 published rating 2007-01-11 · 42 min
A Daily Planet gossip columnist uses her special power to overhear a conversation between Lana and Chloe, and publishes the conversation... where Lana admits having doubts about marrying Lex. While Chloe investigates the reporter, Lois asks Clark to help her investigate the mysterious Green Arrow bandit when she suspects he may be Oliver Queen in disguise.
S6 · E11Justice 9.3 / 10 · 2 published ratings 2007-01-18 · 42 min
When Lex's Level 33.1 project comes to fruition, Oliver Queen must bring together several of Clark's "heroic" super-powered allies together: Arthur Curry, Bart Allen, and Victor Stone.
S6 · E12Labyrinth 9.0 / 10 · 1 published rating 2007-01-25 · 39 min
Clark is in his barn one moment... and the next finds himself in a psychiatric hospital where he discovers he's been suffering from delusions that he came from another planet and has super-powers.
S6 · E13Crimson 8.8 / 10 · 1 published rating 2007-02-01 · 42 min
Clark is once again exposed to red kryptonite, and his "other self" goes on a rampage of sorts on Valentine's Day, kissing the women he's most attracted to and expressing his uninhibited feelings for the various relationships around him.
S6 · E14Trespass 8.9 / 10 · 1 published rating 2007-02-08 · 42 min
Lana has a stalker which leads her to an unexpected hideout. Also, Chloe has to reevaluate her feelings for Clark after she and Jimmy break up due to Jimmy's belief that she isn't really over Clark.
S6 · E15Freak 8.7 / 10 · 1 published rating 2007-02-15 · 42 min
A boy named Tobias was blinded by the meteor shower but given the ability to identify other meteor freaks. Lex is using Tobias to locate other people with abilities so that he can perform experiments on them. Lana learns of Tobias and is fearful that he will name Clark as a freak, so she offers him a cornea transplant to keep him quiet. But Tobias has some surprising news.
S6 · E16Promise 9.6 / 10 · 1 published rating 2007-03-15 · 42 min
Clark has second thoughts about Lana marrying Lex, and Lana has the same concerns. Meanwhile, the doctor involved in the secret behind Lana's pregnancy threatens Lex with his knowledge.
S6 · E17Combat 9.2 / 10 · 1 published rating 2007-03-22 · 40 min
Clark and Chloe find an escaped Zoner named Titan who is the star of a secret fight club that puts its death battles on the internet. Lois can tell that there is a story and goes to investigate, where she is put in the ring to fight. Clark goes in as a super-powered fighter to take on Titan but ends up against a different opponent instead.
S6 · E18Progeny 9.0 / 10 · 1 published rating 2007-04-19 · 41 min
Lex discovers that Chloe's mother has special abilities and forces her to help him in exchange for Chloe's life. However, she has a trick or two of her own to use to escape.
S6 · E19Nemesis 9.2 / 10 · 1 published rating 2007-04-26 · 41 min
Lex and Clark get a chance to hash out their differences... when they're both trapped in a cave after an explosion, and Clark is unable to get them out without revealing his powers.
S6 · E20Noir 8.1 / 10 · 1 published rating 2007-05-03 · 41 min
Lana and Lionel have a secret meeting, after which Lana is shot. While Jimmy is observing photos of the encounter, he is knocked unconscious. While unconscious Jimmy dreams about what life in Smallville would have been like in the 1940s. Clark is a reporter at the Daily Planet, Lana is a siren who planned the demise of her magnate husband Lex, and Lois is a singer at a bar that Lionel owns.