Smallville

When Clark Kent (series star TOM WELLING) confronts Bizarro, the last wraith from the Phantom Zone, the ensuing fight causes the dam to break, unleashing a torrent of water.

Clark and Lois discover a spaceship belonging to Kara (recurring guest star LAURA VANDERVOORT), the mysterious young woman who recently saved Lex. But before Clark and Lois can open it, Kara appears and knocks Lois unconscious.

Although Kara (recurring guest star LAURA VANDERVOORT) desperately wants to make friends and fit in on Earth, Clark tells her to keep a low profile until she can get her powers under control.

Chloe learns that a doctor, Dr. Curtis Knox (DEAN CAIN - Superman on "Lois & Clark: The New Adventures of Superman"), has been treating meteor-infected people and eliminating their abilities.

The residents of Smallville are thrilled when Warrior Angel, a movie based on the comic book, begins shooting in town.

Kara (recurring guest star LAURA VANDERVOORT) travels to Washington to search for the crystal, but she is captured while breaking into a laboratory and sedated with a Kryptonite-infused truth serum.

Kryptonite and high voltage mix during a lightning storm, causing Lana to absorb Clark's abilities.

After hearing the voice of his biological mother, Lara (recurring guest star HELEN SLATER), calling for help from Kara's (recurring guest star LAURA VANDERVOORT) crystal, Clark releases Lara, despite his Kryptonian father's warnings.

Clark returns to Smallville from the Fortress and tells Lana that Kara (recurring guest star LAURA VANDERVOORT) is gone.

While Clark is frozen in the Fortress, Bizarro takes over his life with Lana. Unaware that she is with Bizarro, Lana enjoys this #new Clark, and shares information she has gathered on a serial killer who is draining his victims of all trace minerals.

While secretly working for Oliver (recurring guest star JUSTIN HARTLEY), Chloe intercepts one of Lex's project files, but she is attacked by the Black Canary, a mystery woman with a subsonic cry.

Lois follows Lex to Detroit and discovers he has found Kara, who has amnesia. However, Finley, a busboy who has become obsessed with Kara, fears Lex will take her away, so he shoots Lex and holds Kara and Lois captive.

Kara and Jimmy attend a ONE REPUBLIC concert, and it turns out that one of the roadies is former Smallville resident Pete Ross. Pete unwittingly chews some kryptonite-laced gum and develops super powers.

Lionel arranges to have Clark kidnapped and held in a kryptonite-lined cell at a LuthorCorp facility. After Chloe and Lana find a military electric probe at the farm, they confront Lionel, who throws suspicion onto Lex.

Kara decides to teach Clark how to fly in order to strengthen his chances against Brainiac (recurring guest star JAMES MARSTERS), but Brainiac appears to have the upper hand against the super cousins. And some of Clark's loved ones are caught in the crossfire.

The day arrives that Clark and Lex became mortal enemies. The secret of Veritas leads Lex in a dangerous direction that will put Clark and Lex in each other's crosshairs. There is a major power struggle, and one character dies.

Clark desperately searches for Kara and Brainiac, as Brainiac is the only one who can reverse Lana's condition. Clark asks Chloe to check any large power surges in the area, so she breaks into several government computers, setting off alarms.

Clark discovers that Kara (recurring guest star LAURA VANDERVOORT) sent messages from Krypton in the past that indicate that Brainiac (recurring guest star JAMES MARSTERS) wants to kill baby Kal-El so Clark will not exist in the future.

A cloaked stranger who carves Kryptonian symbols into his chest -- a message for Clark -- attacks Lex.

Kara (recurring guest star LAURA VANDERVOORT) tells Lex he is destined to defeat the Traveler and offers to take him to the Fortress to learn how.