Edwin Poole sues the "Lillian" Corporation, described as the "largest vertically integrated corporation in the World". Sam Malone sold his bar to the Lillian Corporation, a multinational corporation, in between the 4th and 5th seasons of Cheers, also set in Boston.
Despite this episode being a latter one of the second season and the firm's name being mentioned or seen in nearly every episode, this is the first episode to feature Crane, Poole and Schmidt together.