Just throwing this out there, Hey Arnold has got to be one of the better cartoons ever on Nickelodeon. Now, according to this parody trailer, it looks like the whole gang has grown up. The kids used to have to deal with minor issues, but now as adults they seem to have to get a grip on bigger things. Like homicidal mania. And dubstep. Yes, it’s fair to say that the world beyond the stoop is a little scary.