Science of the Movies is a new show from the Science Channel (which also features Michio Kaku). It's on Tuesdays at 9 p.m. starting tonight May 26th, with some repeats. The first episode is "Spider-Man" Motion Control, in which host Nar Williams explores the motion-control technology behind cloning and the famous "Spidey-sense" shot from Spider-Man. They also show a CG elephant created by the creature special-effects team behind 300 and look at a chase scene using wireless camera mounts.
Also, FilmmakerIQ has collected 505 Behind The Scenes Videos, which includes several segments from Making the Movies on MTV.