It is a compilation of pieces of music and video from a series of projects that Zappa presumably planned to finish and release for home video, including a companion video for the You Can't Do That On Stage Anymore series of albums, but those projects were ultimately never completed.
The described material is a compilation of music and videos from various projects that Frank Zappa planned to release as home videos, but these plans were never realized. This includes a companion video for his "You Can't Do That On Stage Anymore" albums.