The "월드 시리즈" (World Series) is the championship series of Major League Baseball (MLB) in the United States. It is held annually in October and features the champions of the American League and the National League. The series is a best-of-seven format, meaning the first team to win four games is crowned the champion. The World Series has a rich history, dating back to 1903, and is one of the most prestigious events in professional sports. It showcases the top talent in baseball and attracts millions of viewers, making it a significant cultural event in American sports, alongside other competitions like the 슈퍼볼 and NCAA 토너먼트.