Ha! This actually happened to me on College Jeopardy in 1997. They re-taped the Final Jeopardy segment after mine, in order to accept an incorrect answer, causing me not to advance to the next round. (I didn’t win my match, but the tournament had wildcard slots based on $ that I would have qualified for.) Suxx0rs. The right answer was carbon. The had an emergency meeting and decided to accept hydrogen. WHA?
“There is a $9 chocolate bar produced exclusively for Cool Hunting by the Mast Brothers of Williamsburg, whose preindustrial production techniques and picturesque beards have been celebrated by numerous enthusiasts.”—