A parasitic organism attacks a toy store on Black Friday and turns the shoppers into violent creatures.
Gomez and Morticia Addams hire a nanny to care for their newborn son Pubert who turns out to be a black widow with her eyes set on Uncle Fester.
In an effort to strengthen the bond between he and Wednesday, Gomez takes the Addams family on a cross-country vacation.
The friendship of Wednesday with the daughter of a reality TV host causes problems for the Addams clan.
With Halloween approaching, the Addams family must contend with thieves intent on stealing their fortune.