Lex is told he is destined to defeat the Traveler and is taken to the Fortress to learn how; Chloe is arrested; Lana awakens from her comatose state; Clark and Lex face off in the Fortress

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.

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.

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.

Lex confronts Chloe over having something that he believes she has stolen, and the end result is not very pretty. Lois and Jimmy find a lead on a big story.The secret of Veritas leads Lex in a dangerous direction; a major power struggle results in tragedy

When Brainiac ends up in a confrontation with Clark after trying to coerce Kara into joining him, he takes it out on Lana.

Lionel kidnaps Clark and holds him in a kryptonite-lined cell at a Luthorcorp facility; Chloe and Lana confront Lionel, who blames Lex, and they then take Kara to the Fortress and plead with Jor-El to restore her memory so she can save Clark.

Lois discovers that Lex has found Kara, who is suffering from amnesia, and follows him to Detroit after her. The busboy at the diner that Kara works is obsessed with her, and when Lex arrives the busboy shoots him fearing that he will take Kara away. He t

Chloe intercepts confidential information from Lex, but the Black Canary shows up and steals the information back for Lex. When Lex learns the Green Arrow was involved, he sends Black Canary after him. The Canary attacks Oliver, believing him to be a terr

Chloe begins to notice that Clark's not acting like himself. Bizarro enlists the help of Brainiac.

Clark and Lana team up to take down Lex, and discover, through an Isis Foundation patient, that Milton Fine is still alive. Adrian, one of Lex's experimental patients, plants a bomb on Chloe, threatening to kill her if Lois does not get Lex to admit that

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.

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. C

Clark learns that Kara is in Washington, D.C. looking for the crystal from her ship. Kara learns the exact location of the crystal, but it is not there when she arrives. Clark confronts her in a club, but she flies away. With Jimmy's help, Kara follows a

While filming takes place on the Warrior Angel movie on the Kent farm, Clark saves lead actress Rachel Davenport (Christina Milian) from a car crash. After some researching by Chloe, it is discovered that someone is trying to kill Rachel, because they bel

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. Meanwhile, Kara makes an alliance with Jimmy while Lana secretly watches Lex.

Kara decides she wants to join the Miss Sweet Corn Pageant. Clark tries to teach Kara to control her abilities, so she does not expose their secrets, but gets frustrated with her lack of concentration. Lana returns to Smallville, with all legal charges dr

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.

Clark confronts a bizarre version of himself and the ensuing fight causes Reeves Dam to burst. Lex, who was arrested for Lana's murder, is caught in the flood of water. Before he can drown, Lex is saved by an unknown girl who he later believes to be an an