It has happened and the score was Rangers 4 and Cardinals 2.
On October 22, 2011, the St. Louis Cardinals defeated the Texas Rangers by the score of 16-7, in game 3 of the World Series.
1 hour and 25 minutes for Game 5 of the 1908 World Series won by the Chicago Cubs over the Detroit Tigers by the score of 2-0.
New York Giants by the score of 6-4 over the Washington Senators. The Senators won the 1924 World Series, 4 games to 3.
Six. The Yankees won four games, the Phillies won two.
In game 6 of the 1986 World Series, Boston Red Sox first baseman Bill Buckner let an easy ground ball through his legs letting the winning run score. Boston could have won the series in game 7 but they choked.
There was no game 7 in either the 1907 World Series nor the 2007 Series.
The Boston Red Sox won the 1918 World Series over the Chicago Cubs by winning Game 6 by the score of 2-1.
The Phillies beat the Rays 4-3 in game 5, the final game of the 2008 World Series.
World Series Baseball - video game - happened in 1994.
World Series of Poker - video game - happened in 2005.
The San Francisco Giants won Game 5 of the 2010 World Series, defeating the Texas Rangers by a 3-1 score. The Giants won the Series in five games.
The team with the highest score in the final game.
The New York Yankees and the Pittsburgh Pirates played in the 1960 World Series with the Pirates winning in 7 games. The score of Game 6 was Yankees 12, Pirates 0.
The New York Giants beat the Washington Senators 6-2 in game 3 of the 1924 World Series.
Game two of the 1922 World Series was the last time a World Series game was played to a tie. The game was stopped in the 10th inning because of darkness, with the score Giants 3 Yankees 3.
It has never happened in the history of the World Series.
The St. Louis Cardinals defeated the Texas Rangers in Game 7 of the 2011 World Series, 6-2.