The Temperature Difference Between the Two
After learning about his Father's involvement in the World Baseball Classic, Goro forgot about his date with Shimizu. When she called to see where he was he asks her to go on without him, causing her to believe Taiga's words are coming true. When Goro finally realizes he has hurt Shimizu's feelings he begins to think about everything she has done for him over the years. Even when he tries to think of baseball his thoughts wander back to her. Can Goro mend this broken love before it's too late, or will he lose Shimizu?
Aired 17/01/2009EP 2 - The Temperature Difference Between the Two

2009
Major S5
After the baseball season was over, Goro returned to Japan. There he learned from Toshi that there is going to be a Baseball World Cup the following year hosted in America.
(Source: AniDB)