The category cards are now backlit in light blue, but they retain their TV tube-esque shape from the previous seasons.
The opening credits remains the same as the rest of Season 3.
The Jeopardy! logo letters are slightly altered, given shorter exclamation mark, and the logo becoming curved. The title card for segments changed its color to many gradients like aquamarine, blue, navy, and magenta, with the more familiar Jeopardy! logo in white, red, or blue and the "DOUBLE" and "FINAL" in Double and Final Jeopardy! in red, green, or white.
The color scheme for the Daily Double title card has changed its color to either red or blue text on either a gold or a blue background with either a blue or a red banner.
George Vosburgh, over from $ale of the Century, became the producer beginning with this season.
During the next four seasons, Alex Trebek hosted Classic Concentration concurrently, which started on May 4, 1987 on NBC; the show would run until 1991.
Later, in the second half of this season, the byline changes, making it read "A unit of Columbia Pictures Entertainment, Inc." is orange and the same font used for the aforementioned Merv Griffin text, instead of italics under the Merv Griffin Enterprises logo.
At the start of this season, verification of questions is provided by Facts on File.
The copyright card is the same as the rest of Season 2 and all of Season 3.
September 1987[]
September 7, 1987: Season 4 premieres.
September 25, 1987: Roy Holliday retires undefeated with $57,200, a full credit roll is featured.
September 28, 1987: Clare Dellemann and Judi Greenberg returned to the show. Clare Dellemann returned after a Final Jeopardy disadvantage response was not specific enough, after they ruled the opposite way in Keith Bell's favor in January 1987. Judi Greenberg returned after the show ruled that she had the judges ruling was a disadvantage that Keith Bell did not need to specify which Roosevelt on a Final Jeopardy! clue.
October 1987[]
October 13, 1987: Richard Perez-Pena retires undefeated with $40,300.
October 15, 1987: The Double Jeopardy board loaded with $400 square in the $800 row.
November 1987[]
November 5, 1987: Clues from this game heard in the background of the 1989 Tom Hanks–Carrie Fisher movie The 'Burbs.
November 9-20, 1987: The Tournament of Champions airs. All the contestants in the Tournament of Champions are men.
November 13, 1987: This episode had categories begin with the letter "A," and the Double Jeopardy! segment categories had the letter "T."
November 20, 1987: Bob Verini won the Tournament of Champions by a margin of $1 trailing Dave Traini who was in second place in the 2nd final game.
November 23, 1987: Kate Waits retires with $49,804 despite losing her fifth game.
December 1987[]
December 14, 1987: Sandra Gore retires undefeated with $53,507.
December 22, 1987: All clues were written by Harry Eisenberg and every category began with "H."
January 1988[]
January 6, 1988: Bruce Seymour retires with $54,989 despite losing his fifth game.
January 15, 1988: Leah Greenwald retires undefeated with $58,802.
January 22, 1988: All categories started with the letter "B."
February 1988[]
January 25-February 5, 1988: The Final Jeopardy! logo flashes on the game board's monitors during the closing credits.
February 5, 1988: Barbara-Anne Eddy retires undefeated with $52,000.
February 8-19 1988: The Teen Tournament airs. Michael Block wins the tournament.
March 1988[]
March 17, 1988: Ron Trigueiro retires with $49,401 despite losing his fifth game.
April 1988[]
April 1, 1988: Steven Popper retires undefeated with $55,600.
May 1988[]
May 9-20, 1988: The Seniors Tournament airs. Peggy Kennedy won the tournament.
May 24, 1988: Mark Lowenthal retires undefeated with $49,901.
June 1988[]
June 9, 1988: Michael Rankins retires undefeated with $52,098.
June 16, 1988: Stephen Lebowitz retires with $50,900 despite losing his fifth game.
July 1988[]
July 5, 1988: Kevin Frear sets a new one-day record of $27,800.
July 20, 1988: Bruce Naegeli retires undefeated with $64,200.
July 22, 1988: Season 4 ends and every clue was prepared by Jeopardy! staff researcher Victoria Haselton.
