Jeopardy! Season 7 Show #1421, 1990 Tournament of Champions quarterfinal game 1. Season 7, episode 46 Show #1421, 1990 Tournament of Champions quarterfinal game 1. November 5, 1990 Today’s Contestants: Michael Thayer vs. Dan Katz vs. Bob Blake Previous episode Show #1420 Next episode Show #1422, 1990 Tournament of Champions quarterfinal game 2.