It's Christmas Eve, and Peter is itching to hit the countryside and claim his gifts from Santa. But upon arrival, he's shocked to find that a sinister Robo-Santa has replaced the real Santa Claus, scheming to ruin the holidays. To complicate matters, Gerda opens a gateway to the Frog Kingdom, abandoning her friends at their most critical moment. Now, Peter and his crew must confront and defeat this mechanical impostor or Christmas is doomed forever!