In which episode does the lovely Qiaohu Island constellation appear?

The lovely Qiaohu Island is a Japanese animation featuring Qiao Hu, mainly for children. Qiao Hu and his friends spent many interesting adventures and activities in Qiaohu Island. In the first episode, we saw a lovely dog girl Sasha, Pisces, who likes singing and talking very much. The appearance of Sasha adds more interest and vitality to the whole animation, and the lively and lovely image is deeply loved by the audience.