哇，窗口太小啦
请调整浏览器窗口大小或者请使用手机查看！
S1 E4 Group of Four
本集简介
The competition difficulty increases as groups move into groups of 4 and each team must prepare two songs to impress their judges and audiences.
请调整浏览器窗口大小或者请使用手机查看！
The competition difficulty increases as groups move into groups of 4 and each team must prepare two songs to impress their judges and audiences.
