Share 'Looking for a specific episode with Barney.....'

I'm trying find an episode which contains a funny scene I only vaguely remember. The scene takes place in the police station with Barney Fife.  There may be another character present, but I don't recall.  Barney is trying to make his way from near the front door toward Andy's desk.  For some reason I don't remember, Barney is having a difficult time making his way across the room.  Like he keeps…