Possible Clues:

• Informally, films shown in cinemas
• Pictures doctor looks at when the wife's gone
• Roeper's subjects
• Netflix wares
• There could be some of this, about half a dozen, for the cinema
• Rivals pursuing second films
• Are they to make it look as if the doctor competes with the cinema?
• Some reels containing visual images, primarily?
• Films in America
• Hollywood productions