Piano Man - November 10, 1985 - S3-E15
Continuity mistake: Sam is driving a beat up truck along a road and talking to Al about where Lorraine is. During this sequence it's foggy/smoky in almost all angles, except the view behind their vehicle. It's a shot of a sunny road. Where is the fog behind them?
Answer: It all came from the minibar in the room, which in those days (and, often, even today) didn't require payment in advance; it would be added to your bill when you check out. Since the hotel didn't have Neil's credit card or anything else to take payment, they could have just skipped out the next morning without paying for the snacks and drinks. (Another possibility, though remote, is that the snacks and drinks were complimentary...I have stayed in one or two hotels like that in the past, rare as they may have been).