Scott Calvin, now 65, grapples with the realization that he can't be Santa forever. He decides to find a suitable replacement while preparing his family for a life away from the North Pole.

In this second season, the Calvin family is back in the North Pole as Scott Calvin continues his role as Santa Claus after retirement plans were thwarted when failing to find a worthy successor in season one. Now that Scott and his family have successfully saved Christmas, Scott turns his focus towards training his son Cal to eventually take over the "family business" as Santa Claus. However, a bit of North Pole magic brings an unexpected challenge to Scott’s plan.