Fast Money (known as Big Money in England) is Family Feud/Fortunes bonus round, where two members of the winning family attempts to guess the highest scoring answers to five different questions as they can within the time limit, originally, it was 15 seconds for the first player, then 20 seconds for the second player; then later it was 20 seconds for the first player, then 25 seconds for the second player. Because the goal is to create a total of 200 points or higher to win the big grand prize money, depending on the version.
While Fast Money/Big Money is the most stressful part of the show and one of the most stressful bonus rounds in game show history, it did however produced the great and the not-so great moments ever seen over the years. And here are three pages to prove it.