<jats:p> The commentary provides a series of notes on the article ‘The Conversational Rollercoaster: Conversation analysis and the public science of talk’. There are two broad areas that I attend to: one is on the formulation of the Conversational Rollercoaster in the light of the warrants of ethnomethodology and conversation analysis and the second is around what the Conversational Rollercoaster accomplished. </jats:p>