Phineas and ferb were testing new invention that give someone the traits of another and alter reality to make people believe they had always been that way. While testing it with their friends Isabella buford baljeet and irving Candace came in to see what they were doing and started messing with the machine to see what it causing it to turn phineas into candace isabella into a female jeremy and ferb into vannessa#candace#phineasandferb#transformation#reality