Ha, which episode is the laughing challenge?

Question 6. According to the story of "Hahahahaha", in the sixth issue, the program group launched a new challenge to suppress laughter. In the smile suppression challenge, five guests will be placed in a closed space, and one of them will suddenly tell a funny joke. Guests don't have to laugh. Some people will be eliminated if they laugh. "Ha ha ha ha ha" is a road marching outdoor reality show produced by iQiyi and Tencent Video, and jointly produced by Zhejiang Lantianxia Media Group, Orange Image and Zhejiang Hexin Media.