All Fore One - S4-E7
Continuity mistake: When Barbra Jean breaks her second plate, she holds it up and the parts that broke don't match. The rounded edge of one plate is facing the broken, jagged edge of the other plate. It is impossible for the plate to have broken like that.
Continuity mistake: When Reba walks into the kitchen, Cheyenne and Elizabeth are sitting at the table. There are some blocks that in some shots are stacked up, and in some shots are not.
Continuity mistake: When Van comes into the house and sits in the chair during his surprise party there is nothing on his head. The shot changes and there is suddenly a hat on his head.
Thanksgiving - S4-E9
Continuity mistake: When Reba and Barbra Jean are talking in Barbra Jean's kitchen, a martini glass disappears and appears again on the counter in front of Reba.
All Fore One - S4-E7
Continuity mistake: When Kyra is talking to Van and Cheyenne in the kitchen, her hair is resting over her shoulders. Then in the next shot, it is all pulled back behind her shoulders.
Continuity mistake: When Barbra Jean first pulls her dog out from the purse, the pink bow on the dog's head falls off. In the next shot, the bow is back on the dog's head.
Answer: I believe it was "Seeing Red" from season 2.
Karoo