It’s said that there’s truth in every joke, but knock-knock jokes? Since when is the interrupting cow about real–MOOOOOO! Point taken, cow. Anyways, this guy tries to decipher if his friend’s knock-knock jokes are just that, jokes, or something a little more serious:

Cut-ups Pete and Brian are behind Knock Knock, as well as a passel of other short funnies about alcoholism and Djimon Honsou, among other topics.