Updated on January 20th, 2025
Smallville: Season 6 – Episode 21
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. – Stream Smallville Season 6 Episode 21 Online for Free – Watch Smallville Season 6 Full Episode 21 Free – OnionPlay Official
Smallville: Season 6 – Episode 21 Streaming Online | Watch Smallville: Season 6 – Episode 21 Online
Smallville: Season 6 – Episode 21 HD Stream | Smallville: Season 6 – Episode 21 Watch HD Stream | Smallville: Season 6 – Episode 21 Online
Air Date - May. 10, 2007
6 - 22Phantom May. 17, 2007
6 - 21Prototype May. 10, 2007
6 - 20Noir May. 03, 2007
6 - 19Nemesis Apr. 26, 2007
6 - 18Progeny Apr. 19, 2007
6 - 17Combat Mar. 22, 2007
6 - 16Promise Mar. 15, 2007
6 - 15Freak Feb. 15, 2007
6 - 14Trespass Feb. 08, 2007
6 - 13Crimson Feb. 01, 2007
6 - 12Labyrinth Jan. 25, 2007
6 - 11Justice Jan. 18, 2007
6 - 10Hydro Jan. 11, 2007
6 - 9Subterranean Dec. 07, 2006
6 - 8Static Nov. 16, 2006
6 - 7Rage Nov. 09, 2006
6 - 6Fallout Nov. 02, 2006
6 - 5Reunion Oct. 26, 2006
6 - 4Arrow Oct. 19, 2006
6 - 3Wither Oct. 12, 2006
6 - 2Sneeze Oct. 05, 2006
6 - 1Zod Sep. 28, 2006