Road to Avonlea (1990)

Season 3: Episode 11

Felicity is invited to Kingsport Ladies College, because of her academic excellence. Once there,she is intimidated by the other girl's worldliness, so she lies and pretends that she is Sara's rich sister, using the story's of Sara's life. Gus, worries that he is losing Felicity, and decides that if ""good manners and breeding "" are important, he is going to get them. Sara and Pierre further Gus's education. Felicity has to face her parents with her lies, and learns a lesson in humility.