Which episode is the old nine-door eight-master laughing at the third master?

Laojiu's male Eighth Master ridiculed Third Master for being 19 episode. According to the relevant public information: In "Old Nine Gates", 19 episode appeared the scene of eight lords laughing at three lords. In this episode, the third master takes everyone to Taihang Mountain to find the treasure hidden in the mountains. On the way, a group of people met the Eighth Master. They laughed at the Third Master's ability and couldn't find the location of the treasure. Eight lords is Qi Tiezui, a strange man in the third door of Laojiu. He has only one handicap, which is a fortune-telling stall in Changsha Old Tea Camp. His specialty is eight special calculations.