What episode is "ipartment Meijia Looking at Houses"?

In episodes 18 and 19 of the fourth season, Meijia went to Xiaofeng's house for dinner. As a result, Xiaofeng asked Meijia to look after the house for him. Xiaofeng went out to play Meijia himself, went to Xiaofeng's house to see the house, and met a ghost. Lv Ziqiao was invited by Meijia to a mansion to help catch ghosts, and the result was almost ruined by a bunch of smart home appliances. Meijia pretended to be Ziqiao's wife, helping Ziqiao get through the encirclement of many female suitors, and finally Meijia and Ziqiao spent a "romantic" Christmas Eve in the luxury house.