Humor break: look in the mirror

And now for something completely different (though I did find it on a blog)...

So, you walk over to the sink, wash your hands, then glance up ... and don't see yourself in the expected mirror. That actually happened to me once, though the explanation was much simpler than the following (6 min, audio in German with English subtitles):

Can you figure it out without cheating? (No fair if you understand German.)

Hat tip: 2BlogHumor.