The 2008 Pacific League Climax Series (PLCS) consisted of two consecutive series, Stage 1 being a best-of-three series and Stage 2 being a best-of-six with the top seed being awarded a one-win advantage.
The top three regular-season finishers played in the two series.
The PLCS began on with the first game of Stage 1 on October 11 and ended with the final game of Stage 2 on October 22.
Hokkaido Nippon-Ham Fighters won the series, 2–0.
Saitama Seibu Lions won the series, 4–2*.