Siblings Jack and Anna decide to surprise their father with cupcakes for his birthday, but when ingredients begin falling into the cupcake batter they have no idea how the treats will turn out.
It's Pam Cake's birthday, and Rainbow Kate is determined to throw her friend the sweetest birthday celebration ever. Rainbow Kate asks the other Shoppies to help her plan a surprise party, but too many cooks spoil the cake!
When the biggest party of the year is organized to celebrate the king's birthday, Macy becomes discouraged by royal duties that prevent her from participating in a competition between the Nexo Knights and the Tighty Knighties.