At dinner, Elizabeth puts a small spoonful of stew onto the bread on her plate, and Grandma takes the stew bowl away. In the next shot, Elizabeth has a whole plateful of stew.
John Boy says he's glad he was baptized when he was 12, and Erin says she's glad she was baptized with John Boy. Given the age difference between the two characters, Erin would have been baptized when she was younger than Elizabeth currently is, yet no mention is made of Elizabeth or even Jim Bob considering being baptized.
The Baldwin sisters are all excited about the Rev. Henshaw coming to preach and come to see him yet they aren't Baptists and have often said they are Methodists or some other denomination.