The origins of the world’s greatest hero–from Krypton refugee Kal-el’s arrival on Earth through his tumultuous teen years to Clark Kent’s final steps toward embracing his destiny as the Man of Steel.
The best episode of "Smallville" season 7 is "Bizarro", rated 8.7/10 from 1498 user votes. It was directed by Mike Rohl and written by Brian Peterson, Kelly Souders. "Bizarro" aired on 9/27/2007 and is rated 0.5 point(s) higher than the second highest rated, "Kara".
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.
Director: Mike Rohl
Writer: Brian Peterson, Kelly Souders
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.
Director: James L. Conway
Writer: Todd Slavkin, Darren Swimmer
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.
Director: Whitney Ransick
Writer: Holly Harold
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.
Director: Rick Rosenthal
Writer: Alfredo Septién, Turi Meyer
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.
Director: Mairzee Almas
Writer: Caroline Dries
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.
Director: James L. Conway
Writer: Holly Henderson, Don Whitehead
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.
Director: Charles Beeson
Writer: Brian Peterson, Kelly Souders
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.
Director: Glen Winter
Writer: Todd Slavkin, Darren Swimmer
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.
Director: Whitney Ransick
Writer: Caroline Dries
Chloe begins to notice that Clark's not acting like himself. Bizarro enlists the help of Brainiac.
Director: Todd Slavkin
Writer: Holly Henderson, Don Whitehead
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.
Director: Kevin Fair
Writer: Brian Peterson, Kelly Souders
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.
Director: James Marshall
Writer: N/A
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.
Director: Mike Rohl
Writer: Todd Helbing, Aaron Helbing
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.
Director: Glen Winter
Writer: N/A
Clark must learn a new superpower as he and Kara join forces to take on Brainiac, putting the lives of their friends in danger.
Director: James Marshall
Writer: Brian Peterson, Kelly Souders
No one is safe when Lex seeks the secret of Veritas, and Clark tries to stop him.
Director: Ken Horton
Writer: Holly Henderson, Don Whitehead
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.
Director: Whitney Ransick
Writer: Caroline Dries
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.
Director: Tom Welling
Writer: Alfredo Septién, Turi Meyer
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.
Director: Kenneth Biller
Writer: Holly Harold
Lex is taken to the Fortress to fulfill his destiny, while Lana awakens from her coma and Chloe is arrested by the government.
Director: Todd Slavkin
Writer: Holly Henderson, Don Whitehead