The Parkers (1999)

S3E17 A Beautiful Lie

Kim, Stevie, and T participate in an I.Q. test for a chance to win a car. However, a scoring error leads Kim to believe she has exceptional intelligence, while Stevie's self-esteem takes a major hit. As Kim revels in her newfound "brilliance," Stevie struggles to cope with the fallout, leading to a clash of egos and unexpected revelations about their friendship.