The third season of "Smallville", an American television series, began airing on October 1, 2003. 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 third season comprises 22 episodes and concluded its initial airing on May 19, 2004. Regular cast members during season three include Tom Welling, Kristin Kreuk, Michael Rosenbaum, Sam Jones III, Allison Mack, John Glover, Annette O'Toole and John Schneider.