Longest Major League Baseball (MLB) World Series game (innings)
- Who
- Boston Red Sox, Los Angeles Dodgers
- What
- 18 total number
- Where
- Not Applicable
- When
- 27 October 2018
The longest Major League Baseball (MLB) World Series game lasted 18 innings. The Los Angeles Dodgers defeated the Boston Red Sox, 3–2, in Game Three of the 2018 World Series on 27 October 2018.