The final 2 rounds are seen here. Note that there is only one clock in the Best of 10, and it's BETWEEN the two booths! DISCLAIMER: Nothing you see here is my property.
In the second season when they switched to monitors (where the questions were now seen as well) and they had two clocks (one in each booth), the school bell sound when time ran out in the bonus round was replaced with the same buzzer from the main game.
10:23; In other words, Ben never actually puts any of his own money on the line, but does keep any money remaining in the prize budget at the end of the season (which he probably donated to charity).
You can tell Ben was about to get in major trouble for losing. When he missed enough questions he looked at the producers like they're going to kill me
Actually, Stein didn't rule out the ladies. He had a rule of thumb that the person with the widest hip girth usually seemed to win--at least among the contestants.