This episode marks one day after the ten year anniversary of the show.
After going shopping with Amy, Sheldon is seen in a Superman-themed button-down shirt worn over a long-sleeved t-shirt for the first time, instead of his signature style of a short-sleeved t-shirt worn over a long-sleeved t-shirt.
Mary Cooper and Ramona Nowitzki return in this episode. For Riki Lindhome, who plays Ramona, it is her final appearance on the show.