Season 15 Episode 3! The three Mario Bros princesses all collide on the battlefield, only one of them will walk away but which one will it be? It was only a matter of minutes before a brand new Mario Party began, so Peach and Daisy were just tending to some last second preparations. That was when the first guest arrived at the castle. Much to Peach's surprise, the guest was not Mario or Luigi or even Bowser for that matter. It was Rosalina. Rosalina's face curled into a slight thrown.