Remember the instructional films your teachers used to show you whenever they wanted to sneak out for a smoke, or just nap in the back of the classroom? They're back! Only this time, Mike Nelson, Bill Corbett and Kevin Murphy, of "Mystery Science Theater 3000" and "RiffTrax.com" are there to exact revenge with their signature brand of hilarious running commentary! We offer you 9 shorts about safety, hygiene, and the difficulties of relating to women.