During the final scene John-Boy (narrated by Earl Hamner Jr.) States that "this will be the last Christmas that they all spend together" however both the character John-Boy (Richard Thomas) and Grandma Esther Walton (Ellen Corby) were absent with John-Boy being in New York and Grandma being in the hospital. This makes the statement of them "being all together for Christmas" incorrect.
When Verdie delivers her first cake, the front door of the house she delivers to has the outline of the word 'boardroom' on it, indicating that it was re-purposed from a different set.
A modern plane and present day cars can be seen at the airfield.
At 1:29:00, as Tess and Pip run across the airfield,1970s era cars can be seen driving along San Fernando Road.
At 20:50, as Jason is undergoing bayonet training, 1970s era cars can be seen in the parking lot in the background.
At 1:29:00, as Tess and Pip run across the airfield, Wendill's Chicken House, a Pacoima, California eatery opened in 1929, can be seen in the background.