Name: Episode 21 — Prototype
Released: 2007-05-10
Duration: 41 min
Rating: 7.9
Cast: Tom Welling, Erica Durance, Cassidy Freeman, Justin Hartley

Smallville (2001 – 2011)

2001 • 10 seasons • Sci-Fi & Fantasy, Action & Adventure • TV-PG

On August 7, 2026

#218

218th most popular TV show online

58 Popularity Score

Streaming on See all

Overview Watch Cast Seasons (10) Episodes Ranked Similar Videos Images

Episode 21 — Prototype

Released: 2007-05-10 • Sci-Fi & Fantasy/Action & Adventure/Drama

79%

User score

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.

Information

Creator	Miles Millar, Alfred Gough
Episode air date	10.05.2007
Episode runtime	41 min
Episode rating	7.90
Genres	Sci-Fi & Fantasy / Action & Adventure / Drama
TMDB series rating	8.2
IMDb series rating	7.5
Series status	Ended
Age rating	6+
Country	US

Smallville (2001 – 2011)

Episode 21 — Prototype

Episodes

Information

Trailer

Additional videos

Cast

Similar shows

Recommended shows