Sabrina the Strong: Royal Astronomy Club

Princess Saffron of Tangu becomes jealous of Sabrina when everyone at Royal Prep starts paying attention to her. Princess Fiona of Corinthia and Sabrina's cousin Cora suggest that to garner attention, Saffron start a club. Saffron decides to start a Royal Astronomy Club and invites everyone to join except Sabrina. When everyone learns that Sabrina isn't allowed in the club, they all quit. Can Saffron learn that it's not nice to exclude others? How can she make this up to Sabrina?