In which episode of Love Apartment did Tang Youyou and the others hold a bachelor party?

It is in the 17th episode of "Love Apartment 4"

Plot:

On the eve of Sekiya Yuyou receiving her certificate, everyone is busy with her single weekend

Gu and Youyou decided to get a marriage certificate, and Zi Qiao proposed to hold a bachelor's weekend, and the boys and girls should be separated. After passing the Yifei professional qualification exam, I fell in love with reading and kept reading a book. Yoyo and Meijia won a shopping prize and were given a luxury trip to Hainan for three people. They decided to ask Yifei to go with them. Yifei didn't want to go, but Youyou persuaded her that if she stayed, she would have to deal with those boys, so Yifei had no choice but to agree.

Meijia and the others encountered a tropical storm in Hainan and had to stay in the hotel. The boys' daily life in the apartment was greatly disturbed. The girls packed up the toiletries including toilet paper and took them away. Xiaoxian looked around for toilet paper. Ziqiao asked Guangu to make a wish list, and his buddies would help him realize it. They played "wild" in the room and made a mess in the house. Yoyo and Meijia went to the SPA, but unfortunately there were too many people at the party and the masseur couldn't be queued. Meijia made a homemade massage cream for Yuyou to try. As a result, Yuyou got several degrees darker and dared not leave the room.

Zi Qiao took the boys to a bar. Zhang Wei was allergic to the fluorescent stamp on his hand, and his whole hand turned green. Yifei met a striking version of Xiaoxian in the hotel, and she took Meijia and the others to watch this "Xiaoxian's" hula performance. Ziqiao found a temporary nanny in the supermarket and returned to the apartment to tidy up the room and take care of the housework. The boys were very fond of this beautiful girl. They inferred from the girl's actions that the girl had a crush on the three of them, and even started to get jealous and fight over her. "Xiao Xian" tells jokes to the girls, but the language he speaks is completely incomprehensible to Meijia and the others. Yifei didn't understand either, but she still kept laughing in cooperation. Meijia concluded that this was just Yifei's novelty. The temporary nanny actually didn't know how to do anything, so she quickly left the apartment. The boys couldn't stand this kind of life, so they bought air tickets and flew to Hainan to join the girls. But Xiaoxian had to do the evening live broadcast, so he had to stay in the apartment. Everyone came to the hotel and were shocked when they saw Youyou.