Scott names Cal the next Santa and looks to turn Christmas into a family business.

Cal begins his Santa training, and the elves keep a secret from Scott.

Magnus Antas, the Mad Santa, drags another Legendary Figure into his plot against the North Pole.

After nearly three decades of being Santa Claus, Scott Calvin's magic begins to falter. As he struggles to keep up with the demands of the job, he discovers a new clause that forces him to rethink his role as Santa and as a father.

The Calvin family is back at the North Pole, as Scott Calvin continues his role as Santa Claus after his retirement plans were thwarted when he failed to find a successor; now that Christmas has been saved, Scott focuses on training his son Cal.

When Mad Santa and Olga finally breach the North Pole, Santa, and the elves must defend their home.