Smallville

Led by the Green Arrow (JUSTIN HARTLEY), the Justice League searches for Clark (TOM WELLING) after the Fortress collapses. Plus, the new CEO of LuthorCorp comes to town. Series star ERICA DURANCE appears as Lois Lane.

DC Comics character Plastique blasts into town. Plus, paramedic Davis Bloom (series star SAM WITWER) arrives in Metropolis and is drawn to Chloe.

Oliver collapses. In his delirium, he flashes back to his days on the island and learns more about his parents' demise. Chloe decides to use her new powers to help save him.

As Tess and her team perform tests on Clark's crystal, the seductive DC Comics' Maxima (CHARLOTTE SULLIVAN) arrives in Metropolis, believing she was summoned by her soul mate.

Chloe and Jimmy are abducted by a psychotic jeweler who kidnaps couples to subject them to a kryptonite-enhanced lie detector and questions their fidelity.

Clark investigates a recent attack and fears it is the work of a serial killer. Davis fears his blackouts may mean he is the serial killer and confesses his suspicions to Chloe.

Jimmy snaps a picture of Clark speeding to save Lois from a mugger and manages to catch a red and blue blur on film. Tess decides to run it on the front page of the Daily Planet.

A crystal sent anonymously sends Clark and Lois to the Phantom Zone where they run into Kara (recurring guest star LAURA VANDERVOORT). A possessed Lois goes on a rampage.

Chloe's memories begin to fade one by one until the only person she remembers is Davis. Clark realizes that it is the work of Brainiac that is erasing Chloe's memories.

It's Chloe and Jimmy's dream wedding day, but two unexpected guests crash the party. Plus, Clark goes looking for Lex -- and finds Lana (former series star KRISTIN KREUK) instead.

DC Comics' Legion of Superheroes arrives in Smallville from the future to help Clark stop Brainiac and the Persuader.

Clark goes undercover to find out who shot John Jones (recurring guest star PHIL MORRIS). And Lana (KRISTIN KREUK) gives Tess some shocking news.

Clark finds Tess in Lana's (KRISTIN KREUK) ransacked apartment and realizes Lana is missing. Tess reveals the truth about what happened to Lana after her Brainiac-induced coma.

An explosion at LuthorCorp injures Oliver. Clark and Lana (KRISTIN KREUK) learn that the bomber is Winslow Schott (CHRIS GAUTHIER - "Eureka"), who has a grudge against Oliver.

Linda Lake (TORI SPELLING) returns, threatening to reveal Clark's secret if he doesn't tell her about the red-blue blur. Refusing to be blackmailed, Clark tells Lois his secret.

Tess orchestrates an explosion on a private jet to get Clark to reveal his powers. Meanwhile, Davis discovers a surprising way to control the monster within.

DC Comics' character Zatanna (guest star SERINDA SWAN) appears and switches the Chloe and Lois into each other's bodies. Plus, Clark is granted his deepest wish.

Tess reveals Davis' secret childhood with the Luthors and hints that she knows Clark's true identity.

When Lois pretends to be a new superhero, Stiletto. Clark is concerned Lois will hurt herself, but after he is captured by thugs with kryptonite, Lois saves the day.

Clark finds out Davis is alive and confronts Chloe about protecting him. Oliver discovers Jimmy breaking into Chloe's apartment; things rapidly get worse after Davis attacks them.

Chloe begs Clark to kill Davis, claiming he can no longer keep the beast under control. Tess assembles a team of meteor freaks, including Plastique (JESSICA PARKER KENNEDY).

Chloe is caught in the middle of Oliver and Clark's battle over killing Davis. Clark struggles with taking a human life, so the Green Arrow takes matters into his own hands.