The comic mishaps and adventures of a young boy named Ralph, trying to convince his parents, teachers, and Santa that a Red Ryder B.B. gun really is the perfect Christmas gift for the 1940s.

Siblings Wednesday and Pugsley Addams will stop at nothing to get rid of Pubert, the new baby boy adored by parents Gomez and Morticia. Things go from bad to worse when the new "black widow" nanny, Debbie Jellinsky, launches her plan to add Fester to her collection of dead husbands.