The CW has announced that Supernatural will close out this season with a two-hour finake on May 20.

But there's no reason to look so far ahead just yet. Let's focus on the immediate future, which involves Friday's episode, "Unforgiven," and a trip to an eerie small town.

At one point during the hour, a police officer will make the mistake of pulling Sam over. It's safe to say he doesn't react well to this intrusion, especially when he's told to come in for questioning. See what transpires in the following clip:

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.