CLARK AND DOOMSDAY FACE OFF — Oliver (Justin Hartley) tells Clark (Tom Welling) he must kill Davis (Sam Witwer), as Doomsday is a serious threat and must be stopped at all costs. However, Clark struggles with taking a human life, so the Green Arrow and his team decide to take matters into their own hands. Lois (Erica Durance) takes on Tess (Cassidy Freeman), but the fight takes a shocking turn. Meanwhile, Chloe (Allison Mack) gets caught in the middle of Oliver and Clark’s battle over killing Davis.

DC COMICS CHARACTER PLASTIQUE RETURNS WITH FRIENDS — Chloe (Allison Mack) returns and begs Clark (Tom Welling) to kill Davis (Sam Witwer), claiming he can no longer keep the beast under control. Tess (Cassidy Freeman) has assembled a team of meteor freaks, including Plastique (guest star Jessica Parker Kennedy), to track down Davis so Clark can kill him. However, things get out of hand once Tess’ team discovers she is double-crossing them.

DAVIS ASKS CHLOE TO LEAVE TOWN WITH HIM — Clark (Tom Welling) discovers that Davis (Sam Witwer) is still alive and confronts Chloe (Allison Mack) about protecting him. Oliver (Justin Hartley) discovers Jimmy (Aaron Ashmore) breaking into Chloe’s apartment, but things get rapidly worse after Davis jumps from the shadows and attacks both of them.

LOIS LANE IS A SUPERHERO — Lois (Erica Durance) believes that she needs a big story to secure her reputation as a star reporter but the red/blue blur continues to elude her. However, after Chloe (Allison Mack) is mugged, Lois steps in to fend off one of the attackers and uses the opportunity to pretend a new superhero, Stiletto, has come to town and is giving exclusives to Lois. Clark (Tom Welling) is concerned Lois will hurt herself pretending to be a superhero but after he is captured by thugs with kryptonite, Lois steps in to save the day.

DAVIS BLOOME’S HISTORY IS REVEALED — Tess (Cassidy Freeman) tries to kill Davis (Sam Witwer) by blowing up his truck. However, after he escapes, she realizes she needs help to destroy him and turns to Clark (Tom Welling). Tess reveals Davis’ secret childhood with the Luthors and hints that she knows Clark’s true identity. Meanwhile, Davis runs to Chloe (Allison Mack) for help.

IT’S FREAKY FRIDAY FOR CHLOE AND LOIS WHEN DC CHARACTER ZATANNA APPEARS — At Chloe’s (Allison Mack) birthday party, a mysterious magician named Zatanna (guest star Serinda Swan) grants Chloe’s wish to be more like Lois (Erica Durance) and switches the two into each other’s bodies. Zatanna searches for her father’s book of spells so she can conjure up his spirit but not before also granting Clark (Tom Welling) his deepest wish.

TESS SETS A TRAP FOR CLARK — Tess (Cassidy Freeman) invites Clark (Tom Welling) to a press conference in New York, but, when an explosion rocks the private jet they are on, Clark must figure out how to save them without Tess learning his secret. Unbeknownst to Clark, Tess orchestrated the explosion to get Clark to reveal his powers. Meanwhile, Davis (Sam Witwer) discovers a surprising way to control the monster within.

TORI SPELLING RETURNS AS LINDA LAKE — Linda Lake (guest star Spelling) returns to Metropolis and threatens to expose Clark’s (Tom Welling) secret unless he promises to give her exclusive information on the red-blue blur so she can become a star reporter again. Refusing to be blackmailed, Clark tells Lois (Erica Durance) his secret and asks her to write his story for The Daily Planet.

SMALLVILLE BRINGS IN ANOTHER DC VILLIAN — An explosion at LuthorCorp kills all the Board members and injures Oliver (Justin Hartley), who was there to announce the merger of his company with LutherCorp. Oliver believes that Lex is responsible for the blast, but Clark (Tom Welling) and Lana (Kristin Kreuk) learn that the bomber is Winslow Schott (guest star Chris Gauthier), a toymaker and former Queen Industries employee with a grudge against Oliver.

ALLISON MACK’S DIRECTORIAL DEBUT — Clark (Tom Welling) finds Tess (Cassidy Freeman) in Lana’s (Kristin Kreuk) ransacked apartment and realizes Lana is missing. Tess tells him Lex is still alive and may have kidnapped Lana and finally reveals the truth about what happened to Lana after she awoke from her Brainiac-induced coma. Meanwhile, Tess breaks into a secret LuthorCorp facility and is shocked at what she discovers.