David Archuleta guest appearance on Hannah Montana, Miley inadvertently agrees to go to prom with Aaron, the school nerd. When the chance comes up to record a duet with David, Miley uses it as an excuse to flake on her date.
However, guilt takes over and Miley does the right thing after realizing the importance of keeping a promise. Meanwhile, Robby helps Jackson realize the benefits of enrolling in college. Airs May 3 @ 8 PM ET/ PT.