thank you, johnny gilbert.thank you, ladies and gentlemen, and welcome to what i believe is the most highly anticipated of all the tournaments in "jeopardy!" history. all of this week, we will have a "jeopardy!" champion representing each of our three decades on the air. should be a lot of fun. roger, robin, and leszek, good luck. here we go. and now the categories. not "the wise." each correct response will end with the letter "i." leszek, you start. brief time of history for $200.

thank you, johnny gilbert. thank you, players. hello, folks, and welcome., we have three semi-finalists waiting in the wings, two of them representing our third decade on the air and one representing our second decade on the air. tom, rachael, ken, good to see you again. let's go to work. first round -- one daily double round and these categories today... and we want you to give the word's language of origin in that category. tom, start us. papal person! for $200.

alex: thank you, johnny gilbert, and thank you, ladies and gentlemen.come, folks, to our third quarter-final match in the "battle of the decades." we're dealing with former "jeopardy!" champions, so we expect a high-quality level in their play. dan, brad, and mark, good luck. let's go to work. now the categories for you. followed by... each correct response beginning and ending with that letter. mark, you start. let's say goodbye to the people in the last year for $200, alex.

thank you, johnny gilbert. hi, folks. forget about march madness and the final four. this is the "jeopardy!" battle of the decades. these are the final three. somewhat appropriate that these three gentlemen should be competing in the 2-day finals. roger set the 1-day record of $77,000. ken, as you just heard, won the greatest number of games. and brad has won the most money. gentlemen, it's a pleasure spending time with you. good luck. here we go. let's take a look at the categories. we start off with... we follow that with... and finally... brad, you start. let's take documentaries for $200. brad. what are backup singers? yes. documentaries for $400.

thank you, johnny gilbert. hello, ladies and gentlemen. well, "jeopardy!"as gotten off to a great start in our 31st season. and the same can be said for our champion, bill, winning over $50,000 in just three appearances. can he keep it going? to do that, he'll have to defeat stephanie and matthew, and look at how serious they look. let's go to work, players. here comes the "jeopardy!" round. what are the categories that await you? ...in honor of our 31 seasons. oh, there's a theme here, i'm thinking. bill. let's try rocky road for $200. alex: the rocky road seen here is in this country that has stoni -- s-t-o-n-i -- in its name. matthew. what is estonia? that's it. rocky road for $400. apparently walking isn't forbidden in the forbidden city within this capital. matthew. what is beijing? right. rocky road for $600. take a look. the cobblestone roads in this south american capital

[ applause ] thank you, johnny gilbert. and thank you, ladies and gentlemen.heard most often following each of the quarter-final games last week was, "that was some of the toughest material we've ever had to deal with." but that's to be expected, isn't it? the winner is playing for $1 million. let's start finding out what happens in the semi-final games. chuck, russ, ken, good luck. here we go. here are the categories in this first round... next... and finally -- you'll love it... ken. uh, let's do ocean commotion for $200, alex. ken. what's the indian ocean? yes. ocean for $400. here's sarah. from the shores of antarctica, the pacific ocean stretches north over 9,000 miles to this narrow passage.

[ applause ] thank you, johnny gilbert. and welcome, ladies and gentlemen. thank you so much for tuning us in today. i'd like to start this, uh, third semi-final match with a prediction. and you all know, ken jennings and brad rutter are waiting in the wings to come back tomorrow to begin the 2-day final match for $1 million. i predict that the third player, their opponent, will not be... ibm's watson. [ laughter ] but it will be colby, pam, or roger. and i wish all three of you good luck. here we go. what are the categories for this first round? followed by... and finally, we want you to... those two letters, "rg," coming up in each correct response. roger, start. feel the "rg", $200. roger. what is a dirge? that's it. $400, "rg."

thank you, johnny gilbert. hi, folks. welcome aboard.e three players -- colby, mark, and chuck -- jeopardy! champions, they are all winners of our tournament of champions in the past. so, gentlemen, good luck. here we go -- the jeopardy! round. the last of our quarter-final games has these categories -- alex: chuck, off you go. fashion "p"ieces for $200, please.