Miley Get Your Gum

S1 E2: Miley worries that Oliver's obsession with Hannah Montana has gone too far and decides to do something drastic to cure him of his crush.  Exploiting the knowledge that he has a strong aversion to people who chomp their gum, she puts on her Hannah disguise and Lilly arranges a coincidental beachfront meeting with Oliver.  When Oliver discovers that not only does Hannah Montana chomp her gum, but she is not above putting it back in her mouth after it has fallen in the sand, he is still not cured of his obsession so Miley finally resorts to revealing her true identity.