In 2004, Jennings won 74 consecutive Jeopardy! games before he was defeated by challenger Nancy Zerg in his 75th appearance.
He also holds the record for the highest average correct responses per game in Jeopardy! history (for those contestants with at least 300 correct responses) with 35.9 during his original run (no other contestant has exceeded 30) and 33.1 overall, including tournaments and special events. Jennings holds the record for the longest winning streak on Jeopardy! with 74 consecutive wins. In 2023, Jennings received a nomination for the Primetime Emmy Award for Outstanding Host for a Game Show for hosting Jeopardy!. Since 2021, Jennings and Mayim Bialik have alternated as hosts of that show, as well as Celebrity Jeopardy!. He is the highest-earning American game show contestant, having won money on five different game shows, including $4,522,700 on the U.S. Kenneth Wayne Jennings III (born May 23, 1974) is an American game show host, author, and former game show contestant.