Five Obstructions?

I sat down with a friend tonight and watched a documentary by the name of "The Five Obstructions".

It was an obscure film (which I like), about Jorgen Leth and another director Lars Von Trier who tortures him by forcing him to create films as a means to bring him out of a depression. All 5 films are based on Jorgen's 1967 film "The Perfect Human", a 12 minute short, with Lars adding in annoying conditions on the creation of each film -- what a bastard... I loved it.