You know how, when you were a little kid, you thought things from the TV might actually be able to hurt you, that they might show you something that you so much wouldn't be capable of handling that it would actually injure you? That's what happened when I watched that scene, except I was probably 27 or so. I…

It seems the showrunner thing works like this — for the "created by" credit right after the title card at the opening of the show, whoever was on set gets credited second. So I guess the showrunner of that episode is credited second in the "created by" credit and first in the "executive producer" credit.