eason six of Smallville, an American television series, began airing on September 28, 2006. The series recounts the early adventures of Kryptonian Clark Kent as he adjusts to life in the fictional town of Smallville, Kansas, during the years before he becomes Superman. The sixth season comprises 22 episodes and concluded its initial airing on May 17, 2007, marking the first season to air on the newly formed The CW television network. Regular cast members during season six include Tom Welling, Kristin Kreuk, Michael Rosenbaum, Allison Mack, Annette O'Toole, John Glover, and Erica Durance.
Season six key story arcs involve Clark trying to recapture several escaped criminals from the Phantom Zone, the destinies of Lionel and Lex following the aftermath of Lex's possession by Zod and Lionel's adoption as the emissary of Jor-El, and the introductions of DC Comics characters Jimmy Olsen, Oliver Queen and Martian Manhunter, played by Aaron Ashmore, Justin Hartley, and Phil Morris respectively. Other key storylines involve Lana and Lex's marriage, as well as Lex's secret 33.1 projects.
Smallville's Season six slipped in the ratings, averaging 4.1 million viewers weekly. It was nominated for an Emmy Award, among other awards, in the category of Outstanding Sound Editing For A Series for the episode "Zod".Overview from themoviedb.org