4.02 Gone
CLARK AND LOIS INVESTIGATE CHLOE’S MURDER – Clark (Tom Welling) and Lois Lane (Erica Durance) investigate Chloe’s (Allison Mack) apparent murder, but are stopped by an army officer, General Sam Lane (guest star Michael Ironside), who turns out to be Lois’ father. Lois suspects that Sam knows more about Chloe’s death than he will admit, and Clark discovers that Sam has recently been in contact with Lex (Michael Rosembaum). Jason (Jensen Ackles) arrives from Paris and convinces Lana (Kristin Kreuk) to continue their relationship. Suspecting that Chloe is still alive, Lionel (John Glover) sends an assassin with the power to morph his limbs into metallic weapons to keep Chloe from testifying against him.
4.01 Crusade
LOIS LANE HITS SMALLVILLE AND CLARK FLIES! – Clark (Tom Welling) returns to Smallville re-programmed as Kal-El. Intent on fulfilling his destiny, Kal-El takes to the skies to steal a powerful Kryptonite crystal. Determined to save her son, Martha (Annette O’Toole) turns to Dr. Swann’s emissary, Bridgette Crosby, and learns about a surprising new form of Kyptonite. Meanwhile, Lois Lane (Erica Durance) comes to town to investigate the murder of her cousin Chloe (Allison Mack). Also, Lana (Kristin Kreuk) returns from Paris with a new attitude and a new boyfriend, Jonathan (John Schneider) lies in a coma, and Lionel (John Glover) faces a grim new life in prison.
Smallville Season 4 Promotional Photos
The WB has released promotional photos of the cast for the fourth season of Smallville.

