The 2004 MLB Japan All-Star Series was the ninth edition of the championship, a best-of-eight series between the All-Star teams from Major League Baseball (MLB) and Nippon Professional Baseball (NPB).
MLB won the series by 5–3–0 [1] and Vernon Wells was named MVP.
Championship
| Game | Winning team | Score | Losing team | Location |
|---|---|---|---|---|
| 1 | MLB All-Stars | 07-02 | NPB All-Stars | Tokyo Dome |
| 2 | MLB All-Stars | 05-03 | NPB All-Stars | Tokyo Dome |
| 3 | MLB All-Stars | 07-03 | NPB All-Stars | Tokyo Dome |
| 4 | MLB All-Stars | 07-02 | NPB All-Stars | Fukuoka Dome |
| 5 | NPB All-Stars | 03-01 | MLB All-Stars | Osaka Dome |
| 6 | NPB All-Stars | 05-01 | MLB All-Stars | Sapporo Dome |
| 7 | NPB All-Stars | 03-02 | MLB All-Stars | Nagoya Dome |
| 8 | MLB All-Stars | 05-00 | NPB All-Stars | Tokyo Dome |