Ten of Thailand's most popular comedians are competing against each other for six consecutive hours; they attempt to remain impassive while trying to make the other participants laugh.
After the elimination, the nine remaining contestants get back into the game with devising strategies; all attempts at laughter keep failing; the hosts present an activity that makes the contestants laugh.
In this final episode, Kyutae's weakness for Ticha's antics gets him in trouble, while Phuak's attempt to trigger yellow cards with collective laughter fails. Hosts enact a no-laughing rule with red-card consequences for the last hour.
Pexky does an Alligator show, a contestant is caught laughing; Tum's attempt to invite friends almost backfires, but he manages to hold back his laughter; a chaotic wedding improv brings unexpected laughter, leaving Phuak struggling.
In the intense fifth episode, the remaining contestants battle each other and themselves to hold back laughter. Tum's unique technique sparks controversy and the ire of many of the other contestants, just as Granny Zani comes to pick him up.
