Justin Bieber on 'CSI': Goofing off with cadavers

justin-bieber-csi-01-500.jpgPictures of Justin Bieber's acting debut on "CSI" have been released.

In the episode, which premieres Thursday, Sept. 23 on CBS, Bieber plays teen Jason McCann, whose only brother puts Biebs in a sticky situation.

Because this a crime procedural, they're keeping the other details under wraps, which is why the photos from set aren't very spoiler-y and more behind-the-scenes-y. Of course, there's always the fake photo on set that he tweeted out.

Above, we see what's essential to any "CSI" visit: hanging out with the cadavers.