Smallville/Season 4

Smallville is an American live-action television series of the superhero fantasy and teen drama genres. It is based on characters and settings relating to the popular superhero Superman, as seen in comic books and other forms of media produced and licensed by DC Comics.

Season four of Smallville aired on the CW Network from September 22nd, 2004 to May 18th, 2005, spanning a total of twenty-two episodes. Series regulars Tom Welling, Kristin Kreuk, Michael Rosenbaum, Allison Mack, John Glover, Annette O'Toole and John Schneider all returned to reprise their respective roles. Sam Jones III, who played Pete Ross in the first three seasons bowed out of the series and was replaced by Jensen Ackles, who played Smallville High football coach Jason Teague.

Season four is notable for bringing the character of Lois Lane into the Smallville family of characters. Played by actress Erica Durance, she was introduced in the opening scene of the season premiere, "Crusade", and made thirteen appearances throughout the season. By season five, Durance would be cast as a series regular.