Spoilers for 6.21 "Prototype" - Airing 5/3/07 (CW-US)

[Vilandra]

Episode 6.21: Prototype
Airdate: May 3, 2007

02/27 - Writer Steve DeKnight reveals that his next episode may be called "Prototype." This episode is shot 20th but will air as the 21st episode of the season. Here's what DeKnight says in his Myspace blog: "Lois is investigating a story which leads to something she never expected. And a whole lot of trouble. That darn Lois!" Source: KryptonSite
02/10 - Lois Lane factors heavily into this episode. Source: KryptonSite

Source: SpoilerFix.com (http://www.spoilerfix.com/smallville.php)

[Vilandra]

03/02 - In "Prototype", it seems Senator Burke has been pushing billions to LexCorp for a project called 'Ares' (which if you know your Greek mythology, and who doesn't, Ares is the son of Zeus). Burke finds out that Lex wants to make multiple Ares instead of delivering the prototype. He threatens to cutoff funding and Lex threatens to expose how much money is in the Senator's Cayman account. Later, while Lois is confronting the Senator in front of a restaurant about his Cayman account, he is killed along with his bodyguards by an unseen force. It seems Lex's prototype has escaped... Source: KryptonSite

Source: SpoilerFix.com (http://www.spoilerfix.com/smallville.php)