I still watch it because it's funny, but that's about it. It has no main problem and the scripts barely ever make sense. Most of the jokes gross me out. You can see that the producers don't have much experience and let's not mention the acting that is so poor, it's what I find funny.
I don't want to be rude, because every show/movie has its own beauty, but JESSIE could have done a lot better. I find they could have been more original like the whole "Nannie for the adoptive kids, because there parents are always away making a movie" sounds familiar when you think about it: Angelina Jolie and Brad Pitt.
And most of the jokes aren't that funny when you've heard them in other shows.
But above all, it's perfect if your bored and you have nothing else to watch.