That was neat footage to see. It's amazing how many takes they do to get it just right and how the lines keep changing. It was a little jaring to see Yoda talking and then Oz stop to take a break and see Yoda go completely lifeless. It was like Yoda was alive and then completely dead. I guess that is why Muppet performers always keep the puppet going like they are a real actor even during bloopers or retakes.