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Season guide

Smallville: Season 5

22 episodes Premiered Sep 29, 2005 Updated Oct 1, 2026

Smallville Season 5 continues the overarching saga across twenty-two episodes. The origins of the world's greatest hero, from Krypton refugee Kal-el's arrival, are explored in this season of the series. The narrative arc spans twenty-two episodes, following the science fiction, fantasy, action, adventure, and drama elements established by the production. Destiny is now in this phase of the television series, which is

Previously on Smallville

Season 5 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ The series chronicles the origins of the world's greatest hero.
  • ⚡ The protagonist is identified as Kal-el, a refugee from Krypton.
  • ⚡ The overarching narrative spans across multiple seasons and episodes.
  • ⚡ The series blends science fiction, fantasy, action, adventure, and drama elements.
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Season overview

Smallville Season 5 continues the overarching saga across twenty-two episodes. The origins of the world's greatest hero, from Krypton refugee Kal-el's arrival, are explored in this season of the series. The narrative arc spans twenty-two episodes, following the science fiction, fantasy, action, adventure, and drama elements established by the production. Destiny is now in this phase of the television series, which is rated TV-14. The season builds upon the foundation of the earlier seasons as the story of the Krypton refugee unfolds through its multiple episodes. Viewers follow the ongoing adventures and dramatic developments within the established setting of the series.

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Season 5 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 5 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 5: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

27%
73%
Mytharc (6): Crucial lore & season climaxes
Core (16): Character development & subplots
Side Quest (0): Standalone / filler
S5·E1 Mytharc

Arrival

Sep 29, 2005 · 42 min

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 plane

S5·E2 Core

Mortal

Oct 6, 2005 · 41 min

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 a

S5·E3 Core

Hidden

Oct 13, 2005 · 42 min

A krypto-mutant, Gabriel, hacks into missile codes and prepares to eliminate krypto-mutants in Smallville once and for all. A powerless Clark confronts him and is shot, and only Jo

S5·E4 Core

Aqua

Oct 20, 2005 · 41 min

At a party at Crater Lake, Lois is saved from drowning by Arthur "A.C." Curry. Arthur has incredible swimming abilities, but also a secret agenda aimed at...Lex. Meanwhile, Profess

S5·E5 Core

Thirst

Oct 27, 2005 · 41 min

Lana joins a sorority to get housing for her last-minute college registration, but the sisters have a deadly agenda which involves turning Lana into a vampire like themselves and s

S5·E6 Core

Exposed

Nov 3, 2005 · 41 min

Jonathan's oldest friend, Senator Jack Jennings, comes to Smallville looking for support in his re-election campaign, but is framed for the murder of his mistress, requiring Lois t

S5·E7 Core

Splinter

Nov 10, 2005 · 43 min

Clark gives into paranoid delusions brought on by exposure to new "silver" kryptonite, and Professor Fine is the only one who can save him... before he kills Lana.

S5·E8 Core

Solitude

Nov 17, 2005 · 41 min

When Martha comes down with a strange disease, Professor Fine convinces Clark that Jor-El is responsible and that the Fortress must be trying to eliminate the father of Kal-El. But

S5·E9 Core

Lexmas

Dec 8, 2005 · 42 min

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

S5·E10 Core

Fanatic

Jan 12, 2006 · 42 min

The Senatorial race between Jonathan and Lex heats up when Jonathan receives an anonymous threat warning him to drop out of the election. When Clark finds Jonathan badly beaten he

S5·E11 Mytharc

Lockdown

Jan 19, 2006 · 41 min

Lex and Lana are at the mercy of a deranged Smallville deputy who plans to keep them captive until Lex reveals the location of the Kryptonian spaceship. Meanwhile, the Kents can't

S5·E12 Mytharc

Reckoning

Jan 26, 2006 · 43 min

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 Cl

S5·E13 Core

Vengeance

Feb 2, 2006 · 41 min

Clark discovers that the new assistant at the Daily Planet, a bespectacled, bumbling woman named Andrea, is actually a mysterious female vigilante who stalks Suicide Slum. Her path

S5·E14 Core

Tomb

Feb 9, 2006 · 40 min

Chloe is possessed by the spirit of a young girl whose body is sealed in the Talon's walls, and goes searching for the girl's killer while Clark and Lois try to track her down.

S5·E15 Core

Cyborg

Feb 16, 2006 · 41 min

Clark finds himself up against Lex when he befriends Victor Stone, a half-machine, half-human subject who escapes from LuthorCorp with the aid of a sympathetic doctor.

S5·E16 Mytharc

Hypnotic

Mar 30, 2006 · 42 min

Clark is hypnotized by a woman who uses a supposedly magical charm to control others - he reveals his super powers and is sent to kill Lex. Meanwhile, Lex has tracked down the miss

S5·E17 Core

Void

Apr 6, 2006 · 40 min

Distraught over her break-up with Clark, Lana goes to a rogue medical student who experiments with a dangerous kryptonite-based serum that allows people to flat-line but see their

S5·E18 Core

Fragile

Apr 13, 2006 · 42 min

Clark befriends a little girl who has the ability to telekinetically shatter glass, then comes to her aid when it's believed she killed her mother in a brutal stabbing attack. Mean

S5·E19 Core

Mercy

Apr 20, 2006 · 43 min

Lionel is taken hostage by a masked man who forces him to play elaborate games for the prize of staying alive. Martha goes to confront Lionel after Clark tells her Lionel knows his

S5·E20 Core

Fade

Apr 27, 2006 · 42 min

Clark saves a man who in gratitude decides to help Clark in return...by using his ability to turn invisible and his skill as a hitman to kill Lex so Clark can reunite with Lana. An

S5·E21 Mytharc

Oracle

May 4, 2006 · 42 min

Clark and Martha are both visited by Jonathan's ghost, who warns them about Lionel and claims that Clark must kill him to stop him. Meanwhile Fine will do whatever it takes to get

S5·E22 Mytharc

Vessel

May 11, 2006 · 44 min

Professor Fine has unleashed a virus that will kill millions. Clark must put a stop to him, while Lex wonders what happens when he will tell Lana his newest secret.

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