block booking
n.β Β«As Ladd explained in Blockbuster, Star Wars got into the theaters because of a now illegal practice called “block booking,” which involved studios essentially holding a big movie hostage in exchange for theaters agreeing to play one of the studioβs smaller films. Fox told theater owners if they wanted “The Other Side of Midnight,” a potboiler based on the Sidney Sheldon bestseller, they had to show this little movie “Star Wars” too.Β» ββStar Wars: A Box Office History Lesson” by David Konow Tomβs Games Aug. 13, 2008. (source: Double-Tongued Dictionary)