During the commercial break after they find out the category.
Only contestants with positive totals play final Jeopardy and the one remaining contestant is allowed to complete the game with the knowledge that he will win. The contestant with the lowest score is the third place contestant even if the contestants are both negative
For contestants of the show they tell you the final category and then you must decide on the amount of your wager. They are various methods that contestants have used in the past to make this decision and they all take into account the other contestants score before final Jeopardy.
The match was won by Christopher Short although none of the contestants solved final Jeopardy
Contestants are given thirty seconds to answer a Final Jeopardy! question.
In the original Art Fleming Version of Jeopardy their was at least one time when none of the contestants fiinshed Double Jeopardy with more than $0 and so the did not even have a final Jeopardy Clue that day. On March 16th, 2011 only one contestant finished Double Jeopardy with a positive amount and went on to play Final Jeopardy alone.
They do not play final Jeopardy The lowest score still gets $1.000 and the second lowest or second place winner gets $2,000 and the one closest to zero comes back to play Wikipedia says that it happened back during the Art Fleming network Jeopardy shows and is quoted here: "Contestants who finish Double Jeopardy! with $0 or a negative score are not allowed to participate in the game's final round, Final Jeopardy! Instead, they leave the game and receive the third place prize, which has been $1,000 since May 16, 2002" "On at least one Fleming-hosted episode, all three contestants finished Double Jeopardy! with $0 or less, and as a result, no Final Jeopardy! round was played that day."
Producers make the final selection and the candidates are from previous winners
The Jeopardy Archive claims it is only the second time that it happened in the Show's history In the old Art Fleming Jeopardy they have ended with no contestants able to play final Jeopardy because everyone's score was zero or below. That Makes the March 16 2011 Game result of only one contestant able to play Final Jeopardy not a record or a Tie of an existing record. The Jeopardy Archive does note that it is the second single final Jeopardy in the Show's history see related link
The final Jeopardy category was New Sportsnew sportsNew Sports is the Jeopardy final category for April 12 2010New Sports is the Jeopardy final category for April 12 2010
It apparently happened at least once, maybe twice, on the original Art Fleming version. Because nobody could play Final Jeopardy, Art talked to the contestants to fill the time normally filled by Final Jeopardy. It is not known to have happened on the current version.
The final Jeopardy category was Toys