Game shows can send contestants on an emotional rollercoaster ride as they vie for big prizes on top of the pressure of being on live TV.
Sometimes nerves get the better of game show hopefuls as they swear, make inappropriate comments or draw mental blanks.
Things can even go pear-shaped when you don't have to do anything besides spin a big wheel and stand still, like a startled New Zealand woman who collapsed and struggled to get up after winning a large cash prize.
Click through to see videos of some of the funniest game show moments.