To help new Smallville fans and old alike remember/learn what happened in the seasons of the Smallville TV series here are summaries of the seasons as provided at the end of the issues of Smallville season 11.
Teenager Clark Kent must cope with his emerging superpowers and his love for classmate Lana Lang. Clark befriends Lex Luthor and thwarts avengeful former student.
2 - Metamorphosis
Clark discovers that a fellow high school student, Greg Arkin, has been attacked by Kryptonite-affected bugs. Greg has taken on the "eat, molt, mate, die" life style of an insect - with Lana as his prey. Clark must rush to save her without revealing his superpowers. Meanwhile, Lex possesses Lana's Kryptonite necklace and ponders what to do with the strange stone.
3 - Hothead
Clark and Lex defy their respective fathers. Clark joins the football team, against Jonathan's wishes, ultimately discovering that coach Walt Arnold has been altered by Kryptonite and is using fire-starting abilities to hurt anyone who might prevent him from winning. Meanwhile, Lex battles his own father, Lionel Luthor, for control of LuthorCorp.
4 - X-Ray
Clark reels from his first flashes of X-ray vision. His shock is compounded when he witnesses a bank robbery, apparently by his friend, Lex. Unsure how to control this new power, Clark nonetheless puts it to use when a Smallville teen who has developed shape-shifting abilities threatens Lana.
5 - Cool
Clark has a chance to share a night on the town with Lana, thanks to Lex's matchmaking, but the evening is interrupted when Clark faces an icy enemy, Sean Kelvin. Sean is an aggressibve flirt who suffers from a Kryptonite-induced case of permanent hypothermia and has to feed off of others' body heat to survive - starting with Chloe.
6 - Hourglass
Clark is wrached with haunting visions when he meets an old woman, Cassandra Carver, who can see the future. Lex schemes to use Cassandra's gift to glimpse his own destiny and learn more about Clark's secret. Meanwhile, a bitter old man, Harry Bollston, discover a "fountain of youth" and reverts to a teenager. He then seeks revenge on the descendants of jurors who put him in jail decades ago.
7 - Craving
Clark must save Pete from being literally devoured by a female classmate, Jodi Melville, whose diet of Kryptonite-affected vegetables causes her to shed weight faster than she can handle, forcing her to satisfy her ravenous hunger by gorging on any available food source. Meanwhile, Lex gets one step closer to the truth about Clark after funding a study on the gree meteor fragments.
8 - Jitters
Clark and Lex team up to rescue members of Clark's high school class after janitor Earl Jenkins takes them hostage in LuthorCorp's Smallville Fertilizer Plant No. 3. Jenkins claims his deadly jitters were caused by a mysterious contaminant, and he threatens to kill everyone unless he is shown a secret sublevel - which Lionel Luthor denies ever existed.
9 - Rogue
Clark's secret identity is jeopardized when corrupt policeman Sam Phelan witnesses Clark using his super human powers and coerces him into joining forces. However, when Clark double-crosses the cop, he is not prepared to deal with the consequences for him and his family. Meanwhile, Lex recieves an intrguing proposal from his sexy British ex-girlfriend, Victoria Hardwick.
10 - Shimmer
A teenage girl, Amy Palmer, lets her obsession with Lex become life threatening as attacks in the Luthor mansion pit Clark against an invisible enemy. Meanwhile, Clark is thrilled when Lana seeks his companionship after Whitney inexplicably rebuffs her.
Clark is amazed when a pesticide magnate, who has enhanced powers of persuasion due to meteor fragments, somehow convinces Jonathan to sell the family farm to make way for a new plant. Clark teams up with a local hermit, whose mysterious past holds the secret to saving the town.
12 - Leech
When Clark rescues his classmate Eric from harm during an electrical storm, they are both struck by lightning—resulting in all of Clark’s superpowers being transferred to Eric. While Eric relishes his new life as “Superboy,” he soon begins to abuse his new powers. Clark’s happiness at finally being a “normal” teenager is tempered by his growing concern for the town’s safety. Meanwhile, Lex confronts Clark, believing he has undeniable proof of Clark’s superpowers.
13 - Kinetic
Clark and Lex are mystified when the Luthor mansion is robbed by burglars who seem to have the ability to walk through walls. Lex's curiosity becomes desperation when he discovers that the thieves have stolen evidence of his secret project. Clark wonders if his father's suspicions that Lex is deceitful have been correct.
14 - Zero
Lex faces the consequences of a scandal from his past in Metropolis when an old enemy comes to Smallville intent on destroying Lex’s life, putting Clark and Lana in danger. While protecting Lex, Clark must also prevent Chloe from investigating the mystery of Clark’s adoption.