Which episode found the key to Taiping Courtyard?

The key to Taiping Courtyard was found.

The key to Taiping Courtyard was found in the 149th episode of " Celebrating Years ".

Taiping Courtyard appeared in episodes 19, 22, 33, 149, and 133 of " Celebrating Years."

Taiping Courtyard appeared in the twenty-second episode of " Celebrating Years."

Taiping Courtyard appeared in the 19th, 22nd, 33rd, 149th, and 133rd episodes of " Celebrating Years ".

Taiping Courtyard appeared in the 19th, 22nd, 33rd, 149th, and 133rd episodes of " Celebrating Years ".

Fan Xian went to Taiping Courtyard in the 133rd episode of " Celebrating Years 2 ".

The key to opening Taiping Courtyard was the stone in the middle of the lake. As long as the stone was pressed down, the secret room of Taiping Courtyard would be opened.

Yan Xiaoyi appeared in Taiping Courtyard for the first time in " Celebrating Years," but there was no explicit mention of which episode he died in. Therefore, according to the information provided, I don't know which episode Yan Xiaoyi died in Taiping Courtyard.

Fan Xian had gone to the bottom of Taiping Courtyard's lake in the 20th episode of " Celebrating Years," but there was no mention of him going to Taiping Courtyard's pond. So, regarding the question of which episode Fan Xian went to Taiping Courtyard's pond, based on the information provided, I don't know the answer.