The WB’s Official Description : 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. 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 (Jensen Ackles, “Dark Angel”), Jonathan (John Schneider) lies in a coma, and Lionel (John Glover) faces a grim new life in prison. Michael Rosenbaum and Annette O’Toole also star. Greg Beeman directed the episode written by Al Gough & Miles Millar (#401).