jeopardy.com

0wVAM TIL that contestants on Jeopardy can't ring in until a light goes on that only they can see which TV viewers can't see and the process is controlled by an off-screen employee.
oBEDr TIL the buzzers on "Jeopardy!" will lock contestants out for .25 seconds if they ring in before the host has finished the last syllable of the question.
oBvYr TIL Cindy Stowell had a lifelong dream to be a Jeopardy! contestant. In 2016 she made the show and in spite of the fact that she had Stage 4 cancer during the filming she became a six-time champion. She died shortly before her episodes aired and donated her $103K winnings to cancer organizations.