Power is Achieved is Power Perceived: Director Robert Mandel on The Substitute (HD; 16:41) is a good retrospective offering some background on the project.
Color Grade is in Session (HD; 7:07) is the latest in what is becoming a Lionsgate Limited tradition of sorts, behind the scenes footage of the 4K scan being color graded. Here Stephanie El-Mei Schwartz from Lionsgate gives Robert Mandel a bit of a tour which includes Fotokem Colorist Rory Gordon. This may be an especially interesting supplement for some as my hunch is the color timing of both the 1080 and 4K presentations here may surprise some.
Bullet Points: Storyboard to Film Exploration (HD; 4:03)