Movie trailers from the early 2000s often fall into a grey area of copyright or are considered promotional material. You can often find the uploaded in high quality. This is useful for:

Searching for “Requiem for a Dream Internet Archive” isn’t about piracy. It’s about —understanding how a brutal, beautiful film about addiction, ambition, and delusion traveled from indie theaters to VHS to DVD to a thousand reaction GIFs, and now to the world’s largest digital attic.

uses the name to discuss the complexities of linking technology standards to human rights. Film Preservation

: You can find digital copies of the Requiem for a Dream novel by Hubert Selby Jr. . This allows readers to compare Aronofsky's visceral visual style with Selby's "brutal, poetic" prose.