This paper studies King Rama V’s The Dialogues in Inao and its form of rhyming prose dialogues. It is the first written dialogue for performing the story of Inao as a Thai court drama and the first humorous script of dialogues in Thai court drama. The study focuses on revealing the new details added to The Dialogues in Inao by King Rama V in order to attract audiences in his reign and exploring the new presentation of King Rama V’s Inao as a Thai court drama in 1882 as well. The Dialogues in Inao is composed to be used together with King Rama II’s Inao for the story’s performance as a court drama, to entertain the audiences with humour. The Dialogues in Inao includes only one-third of the Inao story in its entirety. The content is similar t...