THE WISHING STAR. Katy, Cassie and Zia venture into outer space. With the help of Katy's cat Thunder, they navigate their way to the Wishing Star. But as they prepare to make their wishes, the friends see the destruction happening back home, and realise they have a greater mission: to save the Earth!THE NORTH POLE. Winter has arrived, and the girls decide to picnic at the North Pole. But before they can enjoy snowflake-shaped sandwiches and mountains of ice cream, they must first win the trust of the Arctic Queen, and discover why the North Pole is melting.