What episode is the swallow hiding in the toilet when it escapes?

In episode 30 of the second part, the escape of the little swallow and others greatly shook the palace. In addition to issuing an arrest warrant immediately, Ganlong was deeply angry at losing the face of the royal family. Er Kang and Liu Qingsan brothers and sisters hurried to rescue the golden lock that was sent to the border. After some fighting, they finally rescued the scarred golden lock. Wei Zi was very happy to see Golden Lock return. Just as everyone was excited about the reunion, the pursuers came to the farmhouse to patrol, and everyone hid in the toilet. Thanks to the skill of the peasant woman, everyone escaped again.