LIFEHOUSE ROCKS THE SMALLVILLE PROM - A stunned Chloe (Allison Mack) is nominated for Prom Queen and tries to talk a reluctant Clark (Tom Welling) and Lana (Kristin Kreuk) into attending the dance with her. However, after her rival Dawn (Beatrice Rosen), a wannabe Prom queen, crashes her car into a ravine filled with kryptonite, Dawn's spirit is released and she enters the bodies of the others making them act out of character. As a result, Lana asks Clark to be her date, Lois (Erica Durance) attends the Prom and Chloe sets the school on fire. Lex (Michael Rosenbaum) gives the seniors a special gift by having the band Lifehouse play at the dance. Jensen Ackles, John Glover, Annette O'Toole and John Schneider also star. Whitney Ransick directed the episode written by Luke Schelhaas (#2T5218).