Stop 'N Shop is a grocery store frequented by the Griffin Family. Although they go to the grocery in many episodes, it is unclear if they always shop at the Stop 'N Shop.
Lois becomes an assistant manager in "Peter Problems".
Lois and Quagmire bump into each other at the Stop 'N Shop in "Hot Pocket-Dial" after Quagmire embarrassingly confesses his love over Lois to Peter. Despite her attempts to get him to patch things up with Peter, he decides instead to move from the neighborhood.
A woman mistakes Stewie for a girl at the store in "Cop and a Half-Wit", prompting him to go out for football despite being much smaller than the other players.
After Brian makes a racially insensitive tweet in "The D in Apartment 23", Lois finds herself treated like a pariah at the store, despite attempting to appeal to multiple employees by name.