THE THRILLING CONCLUSION TO LAST SEASON’S CLIFFHANGER – Under the influence of red kryptonite and living in Metropolis, Clark gets involved with a crime lord named Morgan Edge who hires him to break into LuthorCorp. Meanwhile, desperate to put his family back together, Jonathan takes drastic measures to bring Clark home. At the mansion, Lionel accuses Helen of killing Lex.
CLARK MAKES A DECISION ABOUT HIS DESTINY – A sense of foreboding surrounds Smallville as Clark must choose between staying with Lana and his family or fulfilling his destiny to rule the Earth. Meanwhile, Lex and Helen plan their upcoming wedding, but outside forces may ultimately keep them apart. Also, a hurt Chloe considers Lionel’s offer to investigate Clark.
CLARK’S SECRET IS REVEALED IN PART ONE OF THE SEASON FINALE – Dr. Walden wakes up from his coma and tells Lex and Lionel that Clark is an alien and must be destroyed. Meanwhile, a romantic encounter between Clark and Lana hints at a promising future, but after Chloe finds out they are together, Lana pulls back.
CLARK MISUSES HIS POWERS AND CAUSES A SERIOUS INJURY – After Lana is almost assaulted by a college student, Clark loses control and injures the boy. When the Kents are sued for punitive damages that could cost them the farm, Clark begins to question his powers while trying to find a way out of the lawsuit. Meanwhile, Helen’s ex- boyfriend arrives in town intent on winning her back, but when she turns him down, he stabs her, prompting Lex to take the law into his own hands.
CLARK BELIEVES HE HAS FOUND ANOTHER FROM HIS PLANET – After a schoolmate claims to be an alien and seemingly backs it up by using heat vision, Clark investigates and begins to believe that the guy is from his planet Krypton. Meanwhile, after Helen discovers a locked room in the mansion she demands to know what is behind it, forcing Lex to come clean about his investigation of Clark.
MARTHA’S SECRET IS REVEALED – Clark rushes to find an antidote after Martha is infected with a toxic virus and falls into a coma, but when Clark also falls ill, it is up to Jonathan to find a cure in time. To further complicate things, Dr. Bryce demands an explanation from Jonathan when he refuses to let her treat Clark.
WHITNEY RETURNS TO SMALLVILLE! – Whitney returns home from the Marines looking to rekindle his relationship with Lana but his suspicious behavior prompts Clark to question his true motives, ultimately revealing a shocking truth about “the new Whitney.” Lex becomes suspicious of his new girlfriend after he discovers a questionable photo of her with Lionel.
A Smallville honor student who can clone himself at will kills a teacher to avoid a bad grade, then develops a romantic interest in Chloe and Lana. Meanwhile, Martha feels guilty about her career choices after Jonathan is injured in an accident on the Kent farm while she is at work.