Not bad, not bad.
Well, although I can't say the idea is origional, nor the jokes, I can say that their was some time and effort put into this. My only major problem is that you didn't cut off the jokes quick enough, or lingered too long on one scene, as though leading one to believe there would be more...but alas, there wasn't.
Its not bad, I kind of like it, but it definately could use a better script.