 Effectively blaming the problem on Lex (Michael Rosenbaum), Lionel informs his son he wants him to return to Metropolis.Clark (Tom Welling), Pete (Sam Jones III), Chloe (Allison Mack), and Lana (Kristin Kreuk) make plans for the spring formal.Whitney (Eric Johnson) informs Lana that he is enlisting in the Marine Corps, and he leaves for basic training the day of the dance.