Much to Clark's surprise, Martha Kent returns to Smallville with her new boyfriend, Perry White in tow. Lois and Perry realize they are both working on the same story about the Red Queen, and decide to team up, which ultimately puts them in serious danger

Former DA Raymond Sacks threatens Lois after he is released from prison; Chloe discovers Zod's secret.

Zod continues to pose as "The Blur" and asks Lois to investigate one of Tess' secret labs. An explosion rocks the lab, and Lois is rescued by John Corben who was a subject of multiple experiments. While investigating the explosion, Clark is exposed to r

Tess creates an elaborate hoax in order to kidnap Green Arrow, and delivers him to Amanda Waller, who tells him that that the government is recruiting him to serve his country. However, Green Arrow escapes before they can reveal his identity. After Oliv

Clark (Tom Welling) and Lois (Erica Durance) head out of town for a quiet romantic getaway, but their plans are thwarted when they run into Chloe (Allison Mack) and Oliver (Justin Hartley) at their Bed & Breakfast Inn. The couples' awkward moment is inte

When a doctor that the Kandorians resurrected for experimentation becomes determined to prove that aliens have invaded Earth, he kidnaps several of Zod's people and Lois in the hopes of exposing the truth. Zod disguises himself as a Daily Planet reporter, but is shot during his efforts.

When Clark is exposed to gemstone kryptonite on Valentine's Day, he unwittingly gains the ability to make wishes come true... and chaos results as Lois agrees to have a traditional relationship, and Chloe vows to watch out over Clark and protect him from Lois.

Zatanna goes to a comic book convention to find an enchanted comic book and asks Clark for his help. While Lois sees them together and becomes jealous, Chloe is rescued from an accident by a teenager who has acquired the comic book and used it to become Warrior Angel.

A man named Sylvester Pemberton tracks down Chloe and tells her he knows about her team of superheroes and needs their help. However, before he can explain who he is, he is attacked and killed by Icicle. Clark and Chloe's investigation leads Clark to the former headquarters of the Justice Society of America where he meets up with Nelson AKA Dr. Fate, Carter Hall AKA Hawkman and Courtney AKA Star Girl. Courtney pleads with Hawkman and Dr. Fate to help her catch the killer that is targeting their group but they are reluctant to resume their duties as superheroes. Clark, John Jones, Green Arrow, and Chloe team up to help the JSA stop Icicle before he murders another member of the group. Meanwhile, Lois receives a package from a mysterious agency called Checkmate, run by Amanda Waller.

Oliver's former mentor, the Dark Archer, seeks revenge on his pupil and launches attacks on Chloe, Lois, and Mia as part of his plan. When Oliver is driven to his limits and beyond, Clark must come to the aid of his friend.

Tess takes steps to learn what Lois saw in the future: a powerless Clark subservient to Zod, and Chloe and Oliver leading a resistance group against the Kandorians.

Zan and Jayna come to Metropolis and assist The Blur with his fight to take down crime but several of their rescue attempts fail, which leads Clark in trouble with the District Attorney.

It's a race against time to find Jor-El when Clark realizes that he is on Earth and Zod realizes that he could hold the key to their powers. Chloe is the first to meet him, while Zod enlists Tess.

Oliver offers to train a new girl, Mia, to keep her safe from danger. Lois and Clark are stunned when a radio station want both of them to be their new hosts.

A woman forces Oliver to play in a dangerous game and then turns up dead. The police believe Oliver is responsible and arrest him. Meanwhile, Lois confronts Clark over his knowledge about Oliver's suicide attempt.

The Toyman seeks revenge on Oliver. Clark is gifted the power to hear people's thoughts as part of his training by his father.

Zod releases a virus that transforms humans into zombies throughout Metropolis, with the only cure being found in the blood of a Kryptonian. When Lois is infected, Clark is forced to choose between using his own blood to create an antidote, which would reveal his presence to Zod, and doing nothing.

Lois' new colleague, John Corben, undergoes a horrific transformation when he awakens from an accident with superhuman strength and a heart made of kryptonite. Determined to use his new power to further his vendetta against the Blur, Corben sets out kill the vigilante. However, the situation becomes even more complicated when Lois' own investigation leads her into Corben's hands.

Clark decides that he is ready to start his training at the Fortress, but Jor-El insists that he return to Metropolis to cut his ties with Lois before he begins. Lois reappears in the city with no recollection of vanishing, and her investigation into a monorail crash brings her into contact with a new reporter named John Corben... who is opposed to the Red and Blue Blur. Meanwhile, Chloe's friendship with Clark deteriorates when he refuses to use the Legion ring to save Jimmy; Oliver turns down a dark path, and Zod makes his entrance at the Luthor mansion.