Craig set his record of US $77,000 on the second day of the 2010 -- 2011 Jeopardy! season on the episode airing September 14, 2010. In his record - setting appearance, he had a score of $47,000 after the game 's first two rounds, then wagered and won $30,000 in the Final Jeopardy! round. Prior to Craig, the single - day record of $75,000 was held by Ken Jennings.
most money won on one episode of jeopardy
US $77,000