MORTAL
EPISODE NUMBER - 502
AIR DATE - 10.06.05
WRITTEN BY - Steven S. DeKnight
DIRECTED BY - Terrance O'Hara
A gang of superpowered criminals escape from Belle Reeve and take Lana and the Kents hostage, demanding that Clark break into Lex's high-security facility -- without his abilities.

HIDDEN
EPISODE NUMBER - 503
AIR DATE - 10.13.05
WRITTEN BY - Brian Peterson & Kelly Souders
DIRECTED BY - Whitney Ransick
A friend of Chloe's takes control of a missile silo and targets it to destroy Smallville. Clark faces his mortality -- and his destiny as Jor-El's son -- when he is shot.

AQUA
EPISODE NUMBER - 504
AIR DATE - 10.20.05
WRITTEN BY - Todd Slavkin & Darren Swimmer
DIRECTED BY - Paul Shapiro
Lois falls for a man with superhuman swimming abilities after he rescues her. But Clark doesn't trust him, and soon learns that he is on a mission to take down Lex Luthor's new underwater weapons program.

THIRST
EPISODE NUMBER - 505
AIR DATE - 10.27.05
WRITTEN BY - Steven S. DeKnight
DIRECTED BY - Paul Shapiro
Lana is forced to join a sorority when she heads off to college, but is transformed into a vampire by its blood-sucking members. Clark is caught in the feud between his new professor and Lex Luthor.

EXPOSED
EPISODE NUMBER - 506
AIR DATE - 11.03.05
WRITTEN BY - Brian Peterson & Kelly Souders
DIRECTED BY - Brad May
Chloe and Lois investigate the murder of a nightclub dancer, forcing Lois to go undercover as a dancer herself. An old friend of Jonathan's asks for help in his Senate reelection campaign, only to be connected to the dead girl.

SPLINTER
EPISODE NUMBER - 507
AIR DATE - 11.10.05
WRITTEN BY - Steven S. DeKnight
DIRECTED BY - James Marshall
Clark is plagued with paranoid delusions when he is exposed to silver kryptonite, and is convinced that everyone he cares about is turning against him. A new ally reveals himself.

SOLITUDE
EPISODE NUMBER - 508
AIR DATE - 11.17.05
WRITTEN BY - Todd Slavkin & Darren Swimmer
DIRECTED BY - Paul Shapiro
When Martha Kent contracts a Kryptonian disease that will kill her within hours, Professor Fine convinces Clark that the only way to save her is to turn on Jor'El and destroy the Fortress of Solitude.

LEXMAS
EPISODE NUMBER - 509
AIR DATE - 12.08.05
WRITTEN BY - Holly Harold
DIRECTED BY - Rick Rosenthal
Lex dreams of a happier, middle-class life -- married to Lana -- after he is shot in an alley. Clark agrees to use his super speed to deliver Christmas presents to needy kids.

FANATIC
EPISODE NUMBER - 510
AIR DATE - 01.12.06
WRITTEN BY - Wendy Mericle
DIRECTED BY - Michael Rohl
Lex Luthor and Jonathan Kent run against each other in a Senate election, but one of Lex's devoted followers from the local university has her own plans for getting her idol elected. Clark reconsiders his physical relationship with Lana.

LOCKDOWN
EPISODE NUMBER - 511
AIR DATE - 01.19.06
WRITTEN BY - Steven S. DeKnight
DIRECTED BY - Peter Ellis
A pair of Smallville police officers go after Lex Luthor, demanding that he hand over the alien ship he seized after the last meteor shower and trapping him in his panic room.

RECKONING
EPISODE NUMBER - 512
AIR DATE - 01.26.06
WRITTEN BY - Brian Peterson & Kelly Souders
DIRECTED BY - Greg Beeman
Clark decides to risk everything and tell Lana the truth about him, but a disastrous result sends him to Jor'El pleading for a second chance.

VENGEANCE
EPISODE NUMBER - 513
AIR DATE - 02.02.06
WRITTEN BY - Al Septien & Turi Meyer
DIRECTED BY - Jeannot Swarc
Clark and Chloe track down "The Avenging Angel," a woman with extraordinary abilities who fights crime and helps those in need.

TOMB
EPISODE NUMBER - 514
AIR DATE - 02.09.06
WRITTEN BY - Steven S. DeKnight
DIRECTED BY - Whitney Ransick
Chloe is possessed by the spirit of a murdered teenage girl, leading her to the doorstep of her murderer seeking revenge.

CYBORG
EPISODE NUMBER - 515
AIR DATE - 02.16.06
WRITTEN BY - Caroline Dries
DIRECTED BY - Glen Winter
Clark meets Victor Stone, a former Metropolis University athlete whose family died in a car accident. Victor was brought "back to life" thanks to cyborg implants courtesy of Luthorcorp.

HYPNOTIC
EPISODE NUMBER - 516
AIR DATE - 03.30.06
WRITTEN BY - Todd Slavkin & Darren Swimmer
DIRECTED BY - Michael Rohl
Clark is hypnotized by a beautiful woman, and reveals his abilities to her when she commands him to do her every whim. Lex gets a lead on the whereabouts of Milton Fine.

VOID
EPISODE NUMBER - 517
AIR DATE - 04.06.06
WRITTEN BY - Holly Herold
DIRECTED BY - Jeannot Swarc
Lana seeks a kryptonite drug developed by an ambitious medical student in order to have a near-death experience and see her parents again. Clark learns an important secret about Lionel Luther.

FRAGILE
EPISODE NUMBER - 518
AIR DATE - 04.13.06
WRITTEN BY - Todd Slavkin & Darren Swimmer
DIRECTED BY - Tom Welling
The Kents take in an orphan girl with the power over glass after her foster mother is brutally killed, not knowing that there is a man after her.

MERCY
EPISODE NUMBER - 519
AIR DATE - 04.20.06
WRITTEN BY - Steven DeKnight
DIRECTED BY - James Marshall
Lionel Luther is tormented by a masked adversary out for revenge, who finally kidnaps him and Marth Kent and subjects him to a labyrinth of challenges, to save both there lives.

FADE
EPISODE NUMBER - 520
AIR DATE - 04.27.06
WRITTEN BY - Tusri Meyer & Al Septien
DIRECTED BY - Terrence O'Hara
Clark makes a new friend after saving a man's life, only to learn that the man is a hit man with the ability to turn invisible.

ORACLE
EPISODE NUMBER - 521
AIR DATE - 05.04.06
WRITTEN BY - Caroline Dries
DIRECTED BY - Whitney Ransick
Clark receives disturbing instructions from the ghost of his father -- to kill Lionel Luther. Milton Fine learns that Lex is planning to double-cross him.

VESSELL
EPISODE NUMBER - 522
AIR DATE - 05.11.06
WRITTEN BY - Brian Peterson & Kelly Souders
DIRECTED BY - James Marshall
When Milton Fine abducts Lex and returns him with super powers, Clark's Kryptonian father tells him that he must kill his old friend to prevent the return of Zod and the end of human civilization.