I felt this was a little slow moving. It was still quite fun, though. I especially like how the designs are unique. The dog's one is the most noteworthy. This reminded me of some episodes of "Regular Show". Well, those weren't around at this time.
Of course I recognized Osama bin Laden's head. Now we can stop making jokes like that. How rare is it for a Halloween episode to be released on Halloween? Well, this is Friday The 13th right now. How appropriate!