The Flintstones get into the Christmas spirit by hanging up decorations while awaiting the arrival of their daughter Pebbles, her husband Bamm-Bamm and their twin children, Roxy and Chip.

However, on the way back home they are mugged by a fake Santa, who takes Fred's watch & wallet and orders Barney to give him the bird.

At the police station, the family identifies one mugger, who turns out to be an abandoned child named Stoney.

Instead, Fred saves his boss and ends up in jail, where he eventually bonds with Stoney, telling him that cutting corners to get what you want is not the solution.

Fred says that the new addition to the family gets to put the star on the Christmas tree, meaning that Stoney is now an officially adopted Flintstone.

A hardcover storybook adaptation - A Very Special Flintstones' Family Christmas by Lisa Ann Marsoli based on the teleplay written by Sean Roche and David Ehrman - was released by Turner Publishing on October 1, 1993.