Smallville Season 6 Episode 21
Prototype
Lex tries to turn a soldier that supposedly died in Afghanistan into a "super-soldier." A senator threatens to tell the world about Lex's labs, prompting Lex to send the "soldier" to kill the senator. Lois sees the attack and becomes the soldier's next victim.
- 6 - 22PhantomMay. 17, 2007
- 6 - 21PrototypeMay. 10, 2007
- 6 - 20NoirMay. 03, 2007
- 6 - 19NemesisApr. 26, 2007
- 6 - 18ProgenyApr. 19, 2007
- 6 - 17CombatMar. 22, 2007
- 6 - 16PromiseMar. 15, 2007
- 6 - 15FreakFeb. 15, 2007
- 6 - 14TrespassFeb. 08, 2007
- 6 - 13CrimsonFeb. 01, 2007
- 6 - 12LabyrinthJan. 25, 2007
- 6 - 11JusticeJan. 18, 2007
- 6 - 10HydroJan. 11, 2007
- 6 - 9SubterraneanDec. 07, 2006
- 6 - 8StaticNov. 16, 2006
- 6 - 7RageNov. 09, 2006
- 6 - 6FalloutNov. 02, 2006
- 6 - 5ReunionOct. 26, 2006
- 6 - 4ArrowOct. 19, 2006
- 6 - 3WitherOct. 12, 2006
- 6 - 2SneezeOct. 05, 2006
- 6 - 1ZodSep. 28, 2006