Wizards of Waverly Place Season 1 Episode 4

To spend more time with Harper, Alex coerces her parents to hire her as an extra waitress at the Waverly Sub-Station. But when she finds out how poorly her best friend does on the job, she puts an ancient spell on her that transforms her into a superior serving wench, and ends up making her too good. Meanwhile Justin's tutoring is interrupted by a young extortionist.