ライバルのみんなをクリスマスパーティーに誘ったけど、みんな野球をする星飛雄馬にしか興味がなくて誰も来なかったというシーンですね。

I'm talking about the scene in which Hoshi Hyuuma invites all his rivals to a Christmas party, but all they care about is him playing baseball, and no one shows up.