Chyna and the ANTs face a crisis when zPhone defects provoke complaints. Z-Tech's stock plummets. Zoltan fears he'll have to close the school, until a mystery buyer takes it over.
Cameron visits Chyna and tells her about his dream to attend film school; Chyna helps Cameron make his movie in secret.
Grundy tries to surprise the ANTs by dressing up as Santa Claus, but things take a turn when the backup computer locks the kids in the school.