Season 20 (2003-2004)Edit
- The five-day limit is lifted, now contestants can keep appearing on the show as long as they continue to win. Hence, the term "the sky's the limit."
- Thought of the Day has a unique title card in 2004 and 2014.
- The opening credits have changed to an orange and blue background, with details of the set visible within it, and the Jeopardy! logo gained a black color scheme. To mark the show's 20th anniversary, a "20th Anniversary" byline is seen in Futura underneath the Jeopardy! logo.
- The "DOUBLE" and "FINAL" in Double and Final Jeopardy, as well as the Daily Double text, are changed to Impact; the Daily Double text gained a black color scheme to match the season's title card, while all the rest became red.
- Starting with this season, the contestant introductions were changed to outer box introductions.
- Also, the contestant intro and Final Jeopardy! winnings strips became blue, with black text in a font resembling Helvetica.
- Lisa Finneran, Rocky Schmidt, and Gary Johnson became senior producers.
- Season 20 of Jeopardy! kicks off on September 8, 2003.
- On the December 18, 2003, episode, this episode featured blind contestant, Dave Oberhart.
- On the January 13, 2004 episode, Tom Walsh became the show's first seven-day champion.
- Steven Dorfman died of colon cancer on January 4, 2004, at the age of 48. The April 21, 2004 episode is dedicated to him.
- On the June 2, 2004, episode, Ken Jennings made his Jeopardy! debut.
- For at least the last 30 half-hour episodes of Season 20, the display text for video clues and the Final Jeopardy! thinking period are changed back to Korinna, which remains for the next two seasons.
- Also, the clue cards themselves changed from smart quotes and custom apostrophes to straight quotes and plain apostrophes, and the category names temporarily changed from Swiss 911 to Helvetica Condensed.
- Season 20 of Jeopardy! wraps up on July 23, 2004, in which Ken Jennings sets a new one-day record of $75,000.
- Summer reruns kicks off on July 26, 2004.