A superstore, also called a big-box store, is a physically large retail establishment, usually part of a chain of stores. Superstore can also refer to: Real Canadian Superstore, a Canadian hypermarket chain founded in 1979 SuperStor, a brand of disk compression software manufactured by Addstor, Inc. in the 1990s Superstore (TV series), an NBC sitcom that premiered in 2015 Saturday Superstore A BBC Children's TV series of the 1980s Supermarket This disambiguation page lists articles associated with the title Superstore.If an internal link led you here, you may wish to change the link to point directly to the intended article.