Which episode was Charlie of the Great Wall involved in?

Seventh issue. The Great Wall is jointly produced by Beijing TV Station and Canxing Production, supported and directed by Wuzhou Communication Center, and Liu Ye, Ehan Juan, YCY, Justin, Yang Di, Charlie and Shen Nan are the Great Wall bricklayers' cultural experience programs. The program is 12. Charlie joined the variety show in the seventh issue, and Shen Zhou's performance in the variety show was very real.