During the 2000s, various independent adult animation studios produced unlicensed, X-rated parodies. These were never sold in stores. Instead, they circulated as under cryptic filenames like Scooby.Doo.Parody.XXX.DVDRip.XviD.avi . These versions are now lost media, sought after by internet archaeologists.
The phrase "entertainment content" in is a careful legal shield. Under U.S. copyright law, parody is protected as fair use if it comments on or criticizes the original. However, the "DVDRip" aspect—the act of ripping and distributing copyrighted video—exists in a gray area. Scooby Doo A XXX Parody -2011- DVDRip CD2.23