 When Jonathan races into the storm after Nixon, the special effects crew used one of their jet fans and some dry leaves to simulate the winds that were coming from outside; the dry leaves were smacking O’Toole in the face, smothering her.This episode featured a lot of character development that many of the actors had been waiting for.Lana's jealousy over Clark and Chloe going to the prom begins to come out; although Kristin Kreuk believes that Lana does not want to be jealous, and wants to be able to support Clark with his newfound feelings for Chloe.