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 ge...

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, ...

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 h...

The residents of Smallville are thrilled when "Warrior Angel," a movie based on a comic book, begins shooting in town. However, after the lead actress, Rachel Davenport takes off in stunt car with cut brakes, Clark must step in to...

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...

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 l...

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.

During Clark's battle with the last Phantom Zone wraith, Lex is rescued by a mysterious woman. Chloe is declared dead in the ER, while Lois goes to Lex's manor to find out what experiments he was conducting at the dam.

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 fata...

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 ...

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. Cl...

Lex gets trapped in one of his labs by a distraught woman claiming he kidnapped her husband. She threatens to destroy the lab--with Lex still inside--unless he divulges her husband's whereabouts. When something unexpected causes a resc...

Chloe steals something from Lex. 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.While Lana finds out she...

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 ...