Hannah Montana Season 2 Episode 18
When Jake tells Miley he wants to keep their relationship platonic, Miley convinces herself that she is fine with it and won't be jealous.
However, when she discovers that her biggest competitor, Mikayla, is going to be Jake's new co-star and love interest on his next film, Miley devises a plan to get Mikayla fired off the set. When the plan doesn't succeed, Miley must come to terms with how she wants to handle her new relationship with Jake.
Title: That's What Friends Are For?