No he did not
Ken Jennings. He holds the current record (as of September 2017) of 74 consecutive victories.
On November 30 2004 Ken Jennings Lost to Nancy Zerg see related links There is also a link to Ken Jennings Jeopardy Archive Page
KEN JENNINGS
Ken Jennings won 74 Jeopardy games in a row, from June 2nd to November 30th, 2004. He won $2,520,700
Watson
Ken Jennings 74 games before he lost on the 75 game and a bunch of tournaments
ken jennings
In his seventy-fifth appearance on "Jeopardy!", Ken Jennings answered the Final Jeopardy clue with "What is 'the Bible'?" Unfortunately, he was incorrect, as the correct response was "What is 'the Torah'?" This marked a notable moment in his legendary run on the show, highlighting the challenges of the game even for a champion like Jennings.
Ken Jennings won 74 straight games before losing in game 75.
He was never tied. The next person has way less Jeopardy winnings
74 games - by Ken Jennings.