The Waltons tune their radio to the weekly broadcast of the Burns & Allen Show, starring George Burns and Gracie Allen which began its radio run in the early 1930s and was inducted into the Radio Hall of Fame in 1994.
The colorful insults that Yancey Tucker and Ham Denby exchange with each other are as follows: slug-bellied sod buster, slab-headed ridge runner and back-country sorghum lapper.
Job and Mary Ellen are caught smoking rabbit tobacco (Pseudognaphalium obtusifolium), an herb used for various medicinal purposes. It's also used as a tobacco substitute by children in rural areas.
Cora is actually John's cousin. Her dad, Matt Walton was Grandpa Zeb's brother.
Only appearance of Mary Ellen's "Daisy Duke" style cut-off shorts.