Images used courtesty of Smallville News

Having been transported to the Fortress of Solitude, Clark is confronted by Jor-El, who tells him he cannot return to Smallville, instead he must stay and prepare to save the planet. Also, transported to the Fortress, Chloe is unable to handle the sub-zero temperature and collapses, begging Clark to use his powers to save her. Jor-El forbids him to leave, but finally acquiesces, telling Clark he must return before sunset or there will be dire consequences. Meanwhile, Lana is horrified when she sees two Kryptonian aliens emerge from a spaceship discovered in the remnants of the meteor shower. The two aliens destroy what's left of the town searching for Kal-El.

Jor-El strips Clark of his powers, making him human. Delighted to finally be "normal," Clark pursues a relationship with Lana sans secrets. However, after Lana, Jonathan and Martha are taken hostage by three thugs, Clark must figure out how to save his family without his super powers.

Chloe is warned by Gabriel that he is going to set off a missile and obliterate all of Smallville. Still stripped of his super powers, Clark confronts Gabriel and ends up getting shot. In the hospital, Clark flatlines and his fate is left in Jor-El's hands. Meanwhile, Lex believes Lionel has the key to open the spaceship.

A summer beach party at Crater Lake takes a dramatic turn when Lois hits her head while jumping into the lake. Before Clark can save her, a mysterious swimmer, Aquaman, a.k.a. AC, comes to her rescue, out-swimming Clark and leaving him baffled. Professor Fine tells Clark that Lex is behind a covert operation manufacturing weapons. AC attempts to break into the Luthercorp Marine Center in an attempt to destroy one of Lex's torpedoes and is captured by Lex.

Lana decides to enroll at Metropolis University at the last minute and is forced to join a sorority to find housing at such a late date. However, her new sorority sisters offer her more than a place to crash after they turn her into a vampire and instruct her to kill Clark. Meanwhile, Chloe applies for an internship at the Daily Planet, but the newspaper's formidable editor may be more then she can handle.

Clark and Jonathan are thrilled when Jake Jennings, Jonathan's oldest friend, rolls into the Kent farm looking for their support in his campaign for re-election to the senate. However, after a young girl named Melissa turns up dead, it is revealed that she was a stripper and Jennings' mistress, which makes him the prime suspect. Searching for answers, Chloe convinces Lois to go undercover as a stripper, but things take a dangerous turn when Lois gets kidnapped by a diplomat's son who intends to sell her into slavery.

Clark is exposed to silver kryptonite, causing him to have paranoid delusions. The silver kryptonite makes him believe that Chloe is going to reveal his secret, Jonathan is scheming against him with Lionel and Lex and Lana are having a secret relationship. Chloe and the Kents frantically search for a cure, but it is Professor Fine who comes to Clark's rescue - but not without an agenda.

After Martha contracts a strange disease and is given hours to live, Clark turns to Professor Fine, who convinces Clark that Jor-El is the one responsible for her illness and the only way to save her is to destroy the Fortress of Solitude. However, once the two arrive at the Fortress, Professor Fine tries to free Zod and kill Clark

Lex is given an envelope with damaging information that will destroy Jonathan's life and must decide whether he will use it as it will also bring harm to Clark and Martha. Before he can decide what to do, Lex is shot and falls into a coma. He dreams that his mother visits him and shows him the life he could lead if he walks away from his father and LuthorCorp. In this alternate life, Lex is happily married to Lana with a baby on the way. Meanwhile, Chloe asks Clark to use his powers to deliver Christmas presents to needy kids.

onathan receives threats on his life from a mysterious source who urges him to drop out of the senate race. Later, Clark finds his dad bloody and beaten and becomes determined to find his attacker. He later discovers that a group of Lex's followers are determined to do anything to see that Lex wins the election. Lois'life is threatened when she's captured and asked to assassinate Jonathan during his speech. Lionel offers to give Martha money to help Jonathan's campaign. Lana is convinced that the answers she is looking for lie in researching the first meteor shower.

The two police officers who witnessed the spaceship land in the meteor shower take Lex and Lana hostage and threaten to kill them unless Lex reveals where he hid the spaceship. While escaping to the panic room in the mansion, Lex takes a bullet meant for Lana. Fearing Lex may bleed to death, Lana asks him to tell the officers the secret location, but he confesses the ship has been missing for weeks. Meanwhile, Clark discovers Lana has been researching the spaceship with Lex and fears she is close to discovering his secret.

In the 100th episode of the series, Clark reveals his secret to Lana, Jonathan and Lex learn the results of the senatorial election and there is a tragic car accident on the highway that takes the life of someone Clark loves. A desperate Clark appeals to Jor-El for help.

Clark discovers the new reporter at the Daily Planet-a bespectacled, bumbling woman named Maya is actually a masked avenger who fights crime at night. Meanwhile, Clark's bottled-up grief threatens to get the best of him.

The spirit of a young girl is released after Chloe finds a corpse in the walls of the Talon. Clark must follow the trail of the spirit and find her killer, who has been preying on girls in Smallville for the past 10 years. When Lois is suddenly kidnapped, Clark comes to the rescue.

A sympathetic doctor releases a half-human/half-machine subject named Victor who was being held captive and experimented on by LuthorCorp. While making his escape, Victor is struck by Lana's car. After watching him walk away without a scratch, Lana calls Clark to investigate. Clark befriends Victor and promises to help him find his girlfriend, but Lex traps Victor and takes him back to LuthorCorp.