Clark gives into paranoid delusions brought on by exposure to new "silver" kryptonite, and Professor Fine is the only one who can save him...before he kills Lana.

Jonathan's oldest friend, Senator Jack Jennings, comes to Smallville looking for support in his re-election campaign, but is framed for the murder of his mistress, requiring Lois to go undercover as a stripper.

Lana joins a sorority to get housing for her last-minute college registration, but the sisters have a deadly agenda which involves turning Lana into a vampire like themselves and sending her against Clark. Meanwhile, Chloe applies to become...

At a party at Crater Lake, Lois is saved from drowning by Arthur "A.C." Curry. Arthur has incredible swimming abilities, but also a secret agenda aimed at...Lex. Meanwhile, Professor Fine discussed Lex's weapons-manufucturing...

Gabriel, a former Smallville High student, hacks into missile codes and prepares to eliminate krypto-mutants in Smallville once and for all. A powerless Clark confronts him and is shot, and only Jor-El can save him.

Jor-El strips Clark of his power, leaving his son free to pursue a "normal" life. But when those closest to him are taken hostage to force him to recover a serum from LuthorCorp's Level 3, Clark must save the day without his ...

Clark is transported to the Fortress of Solitude and must choose between saving the planet or saving Chloe from freezing to death. Meanwhile, Lana confronts two Kryptonians who emerge from the spaceship that landed during the meteor shower,...

Green Arrow calls upon fellow heroes Black Canary, Aquaman, and the Martian Manhunter to locate the missing Clark Kent, last seen in the Arctic. Meanwhile, a new CEO is appointed the head of LuthorCorp, and Chloe is kidnapped by a secret gr...

Lex goes to the Fortress to fulfill his destiny, while Lana awakens from her coma and Chloe is arrested by the government.

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.

No one is safe when Lex seeks the secret of Veritas, and Clark tries to stop him.

Clark may have to learn a new superpower as he and Kara join forces to take on Brainiac, putting the lives of their friends in danger.

Clark is kidnapped by a mysterious team of mercenaries, and when Chloe and Lana go to Lionel for help, he expresses his suspicions that Lex is responsible. Chloe and Lana then convince Kara to go with them to the Fortress to ask Jor-El to r...

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 o...