Basically there is no porn in these behind the scene. They just talking, talking, how they did (lousy) decorations, special effects etc.
As actual porn they give two scenes that was in movie but full version. The same shit, like in the movie, not worth renting.
2010 AVN Best Video Feature Award Winner. The feature is contained on Disc 1 and Disc 2. Disc 4 features special bonus features such as The Making Of The 8th Day, special effects, props and set design, Kayden Kross' on-set video blogs, photo galleries, and more!